231. scratch [skrætʃ] v./n. 抓,搔,扒Scratch yourself if you itch.如果你觉得发痒的话，你就搔吧。
232. talent ['tælənt] n. 才能,天资；人才
A man of talent is one thing, and a pedant another.有才能的人和卖弄学问的人是不一样的。
233. insurance [in'ʃuərəns] n. 保险,保险费I have insurance - here's my card.我有保险，这是我的保险卡。
234. insure [in'ʃuə] vt. 给...保险,保证,确保
Their support will insure me success.他们的支持会保证我成功
235. nevertheless adv. 然而,不过conj. 然而，不过
He has faults; nevertheless, we love him.他有缺点，可是我们喜欢他。
236. neutral ['nju:trəl] a. 中立的,中性的
We'll take a neutral stance on this issue.我们在这一事件上将保持中立。
237. spot [spɔt] n. 地点；斑点 vt. 认出,发现；玷污The problem is solved on the spot. 困难当场解决了。
238. spray [sprei] v. 喷,（使）溅散
We'll spray air freshener to get rid of it. Is that OK?我们给你喷点儿空气清新剂，好吗？
239. medium ['mi:diəm] a. 中等的,适中的 n. 媒介物,新闻媒介
It's a medium-sized city famous for its environment.这是个中等城市，这里以其优美的环境著称。
240. media ['mi:diə] n. 新闻传媒
Even the media occasionally try to trick the public with a clever April Fool story.
大众媒体偶尔也会以巧妙的愚人节故事来愚弄公众。
241. auxiliary [ɔ:ɡ'ziljəri] a. 辅助的,备用的 How to use auxiliary verb better ?怎样更好的运用助动词？
242. automatic [,ɔ:tə'mætik] a. 自动的；无意识的；必然的
The automatic function can be very dangerous.自动功能可能是非常危险的。
243. compete [kəm'pi:t] vi. 竞争,比赛
We cannot hope to compete with so experienced a team.我们没希望与如此经验丰富的队竞争。
244. competent ['kɔmpitənt] a. 有能力的,能胜任的足够的
He is a highly competent teacher.他是一个十分称职的教师。
245. competition [,kɔmpi'tiʃən] n. 竞争,比赛
There is much competition to make such a claim.要做出这样的宣示势必经过一番竞争。
246. distribute [di'stribju:t] vt. 分发
How do you distribute the time ?And what is the reason?你是如何分配时间的？依据是什么?。
247. disturb [dis'tə:b] vt. 打搅,妨碍
We do not want to disturb what we have got.我们不想打乱现有的东西。
248. infer [in'fə:] v. 推论,推断
249. integrate ['intiɡreit] v.（使）成为一体, 合并adj. 整合的；完全的n. 一体化；集成体
Some good suggestions will be able to integrate the plan.一些好的建议将能使这一计划更为完整。
250. moist [mɔist] a. 潮湿T
The seeds need rich moist soil.种子需要肥沃、潮湿的土壤。
251. moisture ['mɔistʃə] n. 水分；潮湿；降雨量Plants suck up moisture from the soil.
252. promote [prəu'məut] vt. 促进；提升
Good food, good diet and good exercise promote health.良好的事物、饮食和运动能够促进健康。
253. region ['ri:dʒən] n. 地区；范围；幅度
The region has lost some of its competitiveness.该区域已经丧失了一些竞争力。
254. register ['redʒistə] v./n.登记,注册Should we go and register now?我们现在就去注册登记吗？
255. stable ['steibl] a. 稳定的 Officials say conditions are stable today.官员表示情况现在很稳定。
256. sophisticated [sə'fistikeitid] a. 老于世故的,老练的；很复杂的
This process ought to be highly sophisticated.这个过程应该是非常复杂的。
257. splendid ['splendid] a. 极好的,壮丽的,辉煌的
China has a splendid ancient civilization.中国有着古老辉煌的文化。
258. cancel ['kænsəl] vt. 取消,废除Can you cancel your appointment?你可以把约会取消吗？
259. variable ['vεəriəbl] a. 易变的,可变的
A table friend is a variable friend.酒桌上的朋友是不可靠的朋友?。
260. prospect ['prɔspekt] n. 前景,前途；景象
What is the prospect of getting a job abroad?在国外找工作的前景如何？
261. prosperity [prɔs'periti] n.兴旺,繁荣
It was the land of freedom and prosperity.这是一块自由繁荣的土地。
262. aspect ['æspekt] n. 方面；朝向；面貌
From color aspect, we prefer this automobile.就颜色而言，我们更喜欢这辆汽车。
263. cope [kəup] vi. (with)（成功地）应付,处理
Perhaps it is useful to cope with an exam.或许，突击记单词可以应付考试。
264. core [kɔ:] n. 果心,核心What are my core values?我的核心价值观是什么？
265. maintain [mein'tein] vt. 维持,保持；坚持,主张
Students are required to maintain silence in the library.学生在图书馆中被要求保持安静。
266. mainland ['meinlənd] n. 大陆
The bridge connects the island with the mainland.这座桥将这个岛屿与大陆连接起来。
267. discipline ['disiplin] n. 纪律；惩罚；学科
Have ideal, have morality, literate, have discipline.有理想，有道德，有文化，有纪律。
268. domestic [dəu'mestik] a. 本国的,国内的；家用的；家庭的
Do you want domestic or imported beer?你是要国产的还是进口的啤酒?。
269. constant ['kɔnstənt] a. 不变的,恒定的 n. 常数
His constant complaints made me mad.他不断的抱怨让我抓狂。
270. cliff [klif] n. 悬崖,峭壁The tree grew on the brink of the cliff.那棵树长在悬崖边缘。
271. authority [ɔ:'θɔrəti] n. 权威；当局
We recognize him as a leading authority on linguistics.我们尊他为语言学的权威。
272. audio ['ɔ:diəu] a. 听觉的声音的 I would like to borrow an audio tape.我要借两盘录音带。
273. attitude ['ætitju:d]n. 态度What is your attitude towards this question?你对这个问题的态度如何?。
274. community [kə'mju:niti] n. 社区,社会
We sometimes do our social studies in the community.我们有时在社区做一些社会实践。
275. commit [kə'mit]vt.犯（错误,罪行等）,干（坏事等）
Not to commit mistake is impossible.不犯错误是不可能的。
276. comment ['kɔment] n./vt. 评论
We often comment on current events.我们经常对时事发表评论
277. distinguish [dis'tiŋɡwiʃ] vt. 区分,辨别
We should distinguish between right and wrong.我们应辨别是非。
278. distress [di'stres] n. 痛苦,悲伤 vt. 使痛苦
I pray that you will have pity on my distress.我请求你可怜可怜我的不幸遭遇。
279. facility [fə'siliti] n. [pl.] 设备,设施；便利,方便
Conduct daily inspection tours of the facility.监督管理公司设备正常运行。
280. faculty ['fækəlti] n.能力,技能;学科/院;全体教员
He has a great faculty for mathematics.他具有很强的学 数学的 才能。
281. mixture ['mikstʃə] n. 混合,混合物
The ball is filled with gaseous mixture.那个球被充满了气体混合物。
282. mood [mu:d]n. 心情,情绪；语气A woman's mood is like the weather.女人的心情就像天气。
283. moral ['mɔrəl] a. 道德上的,有道德的
I have no evidence but moral evidence to bring forward.我没有真凭实据，只有提出道义上的证据。
284. prominent ['prɔminənt] a. 突出的
He is prominent in the literary world.他在文学界是杰出的。
285. substance ['sʌbstəns] n. 物质；实质This black substance is carbon .这种黑色物质是碳。
286. substantial [səb'stænʃəl] a. 可观的；实质的
I want a life that is full and substantial.我要的是丰富的、充实的生命。
287. prompt [prɔmpt] vt. 促使 a. 敏捷的,及时的 It can prompt you into action.它能促使你采取行动。
288. vivid ['vivid] a. 生动的；鲜明的；鲜艳的All these figures are quite vivid.这些人物形象相当生动啊。
289. vocabulary [vəu'kæbjuləri] n. 词汇（量）；词汇表
I want to increase my vocabulary.我想增加我的词汇量。
290. venture ['ventʃə] n. 风险投资,风险项目 v. 冒险；取于
Does the idea of working for a venture company appeal to you ? 你有没有兴趣到合资企业工作?
291. version ['və:ʃən] n. 版本,译本；说法In truth, neither version is right.事实上，以上两种说法都不对。
292. waist [weist] n. 腰,腰部What is your waist measurement?你的腰围是多少？
293. weld [weld] v./n. 焊接使结合；
It often takes trouble from outside to weld a family together.
要使一个家庭重归于好，往往需要求助于外力。
294. yawn [jɔ:n] vi. 打哈欠
He got up with a stretch and a yawn.他起来后伸伸懒腰，打个呵欠。
295. yield [ji:ld]vi. (to)屈服于；让出,放弃 n. 产量
Last year they doubled their yield.去年他们的产量翻了一番。
296. zone [zəun] n. 地区,区域
Welcome to the Pudong Economic Development Zone in Shanghai.
欢迎到上海浦东经济开发区。
297. strategy ['strætidʒi] n. 战略,策略
This strategy is not without danger.这种战略并非没有危险。
298. strategic [strə'ti:dʒik] a. 战略（上）的,关键的
The title of my speech today is "Viewing China in a strategic angle".
今天，我演讲的题目是：用发展的眼光看中国。
299. tense [tens] a. 紧张的 v. 拉紧 n. 时态
So things are now a little tense.目前，我们之间的关系有些紧张。
300. tension ['tenʃən] n. 紧张（状态）,张力
This can help ease the tension.这样能帮助缓和紧张局面。
301. avenue ['ævənju:] n. 林荫道,大街
You can find my house along the avenue.沿着林阴道你能找到我的家。
302. available [ə'veiləbl] a. 现成可用的；可得到的
My bicycle is not available, and it is being repaired.我的自行车现在不能用, 因为正在修理。
303. comparable ['kɔmpərəbl] a.可比较的,类似的
A fire is comparable with the sun; both give light and heat.火可以和太阳相比, 两者都可以发光发热
304. comparative [kəm'pærətiv] a.比较的,相对的
Let's make a comparative study of the two languages.让我们将这两种语言作一下比较研究。
305. dash [dæʃ] vi 猛冲,飞奔Don't dash stones! It's dangerous.不要扔石头, 那样做危险。
306. data ['deitə] n. 数据,资料The data is are all ready for examination.资料都已准备好以便检查。
307. dive vi. [daiv] 跳水,潜水They dived from the bridge and rescued the drowning woman.
308. diverse [dai'və:s] a. 不同的,多种多样的Their opinions are widely diverse他们的意见迥然不同
309. entitle [in'taitl] vt. 给...权利,给...资格
He entitled us to enter his office at any time.他授权给我们可以随时进入他的办公室
310. regulate ['reɡjuleit] vt. 管理,调节
The policeman regulated traffic at the intersection.警察在十字街口管理交通.。
311. release [ri'li:s] vt./n. 释放,排放；解释解脱They released the prisoners.他们释放了俘虏。
312. exaggerate [iɡ'zædʒəreit] v.夸大,夸张(使)扩大, (使)增加
She always exaggerates when she tells something she's done.
每当她谈及自己所做的事时, 她总是言过其实。
313. evil ['i:vəl] a.邪恶的,坏的He is an evil man with evil ideas, and leads an evil life.
314. shrink [ʃriŋk] vi.起皱,收缩；退缩
The number of students of this school has shrunk.这所学校的学生人数在减少。
315. subtract [səb'trækt] v.减（去）
In their first year at school, most children learn to add and subtract.入学第一年, 多数孩子都学加减法
316. suburb ['sʌbə:b] n.市郊They decided to move out to the suburbs. 他们决定搬到郊区去住。
317. subway ['sʌbwei] n.地铁The new subway is now being laid.新的地铁正在铺设中。
318. survey [sə:'vei,]调查,勘测
They are surveying the land before it is divided into house lots.
他们要在土地被分割为住宅用地前先勘察这块土地。
319.wealthy ['welθi] a. 富裕的He grew up in a wealthy family.他在一个富有的家庭里长大
320. adjust [ə'dʒʌst] v.调整,调节The man adjusted very precisely.那个人调得很准。
321. attach [ə'tætʃ] vt. 系,贴；使附属He attached a cheque to the order form.他在订购表上贴了一张支票。
322. profit ['prɔfit] n. 利润,益处；v. 有益于,有利于
What's the profit of doing that? 做那件事有什么好处呢?
323. profitable ['prɔfitəbl] a.有利可图的
That business became profitable last year.那项生意去年变得很赚钱。
324. slope [sləup] n.斜坡,斜面
On both slopes of the roof there are broken tiles.屋顶的两面斜面都有破瓦片。
325. reinforce [,ri:in'fɔ:s] vt. 增强,加强We reinforce a troop again.我们又增援一支军队。
326. reject [ri'dʒekt] vt. 拒绝
They rejected his application for membership.他们拒绝考虑他的成员资格申请。
327. fatal ['feitl] a.致命的；重大的；灾难性的；重大的, 决定性的
Her children's death is a fatal blow on her.孩子们的死对她是致命的打击
328. fate n. [feit]命运I don't believe in fate.我不相信命运
329. humble ['hʌmbl] a.谦逊的；谦虚的；（级别或地位）低下的, 卑微的
In my humble opinion, he will win the election.依我拙见, 他将在选举中获胜。
330. illegal [i'li:gəl] a.不合法的,非法的
It was an illegal act and will lead to your arrest.这是非法行为, 足以将你送入监狱。
331. award [ə'wɔ:d] vt.授予,判给 n. 奖品,奖金
The court awarded damages of 5000 dollars to him.法庭判给他5000美元损害赔偿金
332. aware [ə'wεə] a.意识到；知道的；明白的
He doesn't seem to be aware of the problems.他好像没有意识到这个问题。
333. column ['kɔləm] n.柱,圆柱；栏,专栏
There are two columns on each page of this dictionary.这本词典每一页有两栏。
334. comedy ['kɔmidi] n.喜剧滑稽；幽默；诙谐
Do you prefer comedy or tragedy?你喜欢喜剧还是悲剧?
335. dumb [dʌm] a.哑的；沉默的；愚蠢的
She is very kind to the dumb children.她对哑童非常好。
337. deaf[def] a.聋的；不愿听的Deaf people can't hear.聋人听不见。
338. decorate['dɛkə,ret] vt.装饰,装璜The great hall was decorated with flowers. 大厅里装饰着花朵。
339. principal['prɪnsəp!] a.最重要的 n. 负责人,校长
Drinking is a principal cause of traffic accidents. 酗酒是交通事故的主要原因。
340. principle ['prɪnsəp!] n.原则,原理
Each side declared that it would never abandon its principle.各方都说绝不放弃自己的原则。
341. prior ['praɪɚ] a.优先的,在前的
He feels a prior obligation to his job as a journalist. 他觉得要优先为他的新闻记者的工作尽职。
342. priority [praɪ'ɔrətɪ]n. 优先,重点Safety has high priority in factories. 工厂里安全至关重要。
343. prohibit [prə'hɪbɪt] vt禁止,不准 Smoking is prohibited in the office building. 办公楼内禁止抽烟。
344. remarkable [rɪ'mɑrkəbl]a. 值得注意的,非凡的He is a remarkable linguist.
345. remedy['rɛmədɪ] n./vt.补救,医治,治疗
I don't suppose there'll ever be a remedy for that. 我想那件事不会有任何补救办法。
346. repetition [,rɛpɪ'tɪʃən] n. 重复,反复
Casual conversation tends to be filled with repetition. 随意的交谈中常常有许多重复的话。
347. vain [ven] a. 徒劳的,无效的They made vain attempts to reach the mountaintop.
348. undertake [,ʌndɚ'tek] vt. 承担,着手做；同意,答应
The work was undertaken by members of the committee. 此项工作由委员会成员承担。
349. unique [ju'nik] a. 唯一的,独特的 The custom is unique to the region. 这种风俗是这一地区特有的
350. obstacle ['ɔbstəkl] n. 障碍（物）,妨碍
Her parents' opposition is an obstacle to her marriage. 她父母的反对是她结婚的障碍。
351. odd [ɔd] a. 奇特的,古怪的；奇数的He's an odd old man. 他是个古怪的老头儿。
352. omit [ɔ'mɪt] vt. 省略This part of the book may be omitted. 书的这一部分可以省略。
353. opponent [ə'ponənt] n. 敌手,对手
He easily defeated his opponent in the election. 选举中他轻易地击败了对手。
354. opportunity [,ɔpɚ'tjunətɪ] n. 机会,时机
There may be an opportunity for you to see the chairman of the board tomorrow.
明天你也许有机会见到董事长。
355. orchestra ['ɔrkɪstrə] n. 管弦乐队
The orchestra played a Mozart symphony. 乐队演奏了一首莫扎特的交响曲
356. semester [sə'mɛstɚ] n. 学期；半年
A student will probably attend four or five courses during each semester.
每个学生一学期可能要修四五门课程。
357. semiconductor [,sɛmɪkən'dʌktɚ] n. 半导体
This is a semiconductor integrated circuit.这是一个半导体集成电路。
358. seminar ['sɛmə,nɑr] n. 研讨会
We will have a seminar on environmental protection 关于环境保护问题的讨论会
359. terminal ['tɝmən!] a. 末端的,极限的每期的,定期的;学期的n. 终点
We got off at the terminal station. 我们在终站下车。
360. territory ['tɛrə,torɪ] n. 领土They recaptured the lost territory. 他们收复了失地。
361. approximate [ə'prɑksəmɪt] a. 大概的,大约的，近似的,接近的v. 近似
The approximate time of their arrival will be five o'clock. 他们约于五点到达。
362. arbitrary ['ɑrbə,trɛrɪ] a. 随意的,未断的This is an arbitrary decision. 这是个武断的决定。
363.architect ['ɑrkə,tɛkt] n. 建筑师; 设计师Tom is the architect of this building.
364. architecture ['ɑrkə,tɛktʃɚ] n. 建筑学; 建筑式样,建筑风格
He likes Greek architecture. 他喜欢希腊建筑式样。
365. biology [baɪ'ɑlədʒɪ] n. 生物学He is a biology professor. 他是生物教授。
366. geography ['dʒɪ'ɑgrəfɪ] n. 地理（学）; 地理书;地志
He made a careful study of the geography of the province. 他仔细研究了该省的地形。
367. geology [dʒɪ'ɑlədʒɪ] n. 地质学; (某地区的)地质情况He majors in geology.他主修地质学。
368. geometry [dʒɪ'ɑmətrɪ] n. 几何（学）;几何图形She is fond of geometry.她喜欢几何。
369. arithmetic [ə'rɪθmətɪk] n. 算术He is good at arithmetic.他擅长算术。
370. algebra ['ældʒəbrə] n. 代数He was not good at algebra in middle school.他中学时不擅长代数。
371. entertainment [,ɛntɚ'tenmənt] n. 娱乐；招待,款待
We are delighted in entertainment of our friends. 我们喜欢款待朋友。
372. enthusiasm [ɪn'θjuzɪ,æzəm] n. 热情,热心
The proposal was greeted with great enthusiasm. 这个建议受到热情的响应。
373. entry ['ɛntrɪ] n. 进入,入口处；参赛的人（或物）
He supported that country's entry into the European Common Market.他支持那国家加入欧洲共同体。
374. environment [ɪn'vaɪrənmənt] n. 环境; 包围，围绕
Children need a happy home environment. 孩子们需要愉快的家庭环境。
375. episode ['ɛpə,sod] n. 插曲,片段(电视等的)连续剧的一出(或一集)
The next episode of this television movie will be shown on Friday. 这部电视剧下一集将于周五播映。
376. equation [ɪ'kweʃən] n. 方程（式）相等;平衡,均衡[U][C]
The two countries have been trying to maintain their military equation.
这两个国家一直尽力维持他们在军事上的平衡。
377. restrain [rɪ'stren] vt. 阻止,抑制;控制,限制;约束,阻止[( from)]
We restrained the children from playing by the railroad. 我们阻止孩子们在铁路旁边玩耍。
378. restraint [rɪ'strent] n. 抑制,限制Her anger was beyond restraint. 她怒不可遏。
379. resume [rɪ'zjum] v. （中断后）重新开始; 收回,取回
They won the battle and resumed lost territory. 他们打胜了这一仗并收复了失地。
380. severe [sivɪə] a. 严重的; 剧烈的;凛冽的; 严厉的;苛刻的
My uncle became severe when I was late. 当我迟到时,我的叔父变得严厉起来。
381. sexual [seksjuəl] a. 性的; 生殖的, 有性生殖的
382. simplicity [sɪm'plɪsətɪ] n. 简单；朴素; 纯朴,单纯
The advantage of the idea was its simplicity. 这个主意的优点就在于它简单明了。
383. simplify ['sɪmplə,faɪ] vt. 简化;使简单化
The subject is immensely complex, and hard to simplify. 这个题目非常复杂,并且很难简化
384. sorrow ['sɑro] n. 悲哀,悲痛；伤心事,不幸的事;
The many sorrows turned her hair white. 这许许多多不幸的事使她的头发变白了。
385. stuff [stʌf] n. 原料,材料 vt. 填进,塞满
He has a bad cold and his nose is stuffed up. 他患重感冒,鼻子塞住了。
386. temporary ['tɛmpə,rɛrɪ] a. 暂时的,临时的；n。 临时工,临时雇员 ；； 临时事物;临时房屋
Ellen has got a temporary job. 艾伦找到一份临时工作。
387. temptation [tɛmp'teʃən] n. 诱惑,引诱；诱惑物,引诱物；Don't give in to temptation. 要经得住诱惑。
388. terror ['tɛrɚ] n. 恐怖My elder sister has a terror of fire. 我姐姐怕火。
389. thrust [θrʌst] v. 挤,推,插用力推；刺 ； 插;塞;挤出(路)
He thrust the tickets into my hand. 他把票塞进我手里
390. treaty ['tritɪ] n. 条约,协定；约定,协议,契约
The government has signed a treaty with Washington. 政府已与华盛顿签约。
391. arise [ə'raɪz] vi. 产生,出现,发生；起身
Unexpected difficulties arose in the course of their experiment.
在他们进行实验的过程中,出现了意想不到的困难。
392. arouse [ə'rauz] vt. 引起,激起；唤醒You aroused my curiosity. 你引起了我的好奇心。
393. burden ['bɝdn] n. 重担,负荷 vt.. 加重压于,加负担于,烦扰[( with)]
The government burdened the nation with heavy taxes. 政府使国民负担重税。
394. bureau ['bjuro] n. 局,办事处
The weather bureau makes daily reports on weather conditions.气象局每天报告天气状况。
395. marvelous ['mɑrvələs] a. 奇迹般的,惊人的；令人惊叹的;非凡的;不可思议的；棒极了
He had had the most marvelous experience. 他有过极奇特的经历。
396. massive ['mæsɪv] a. 大的,大量的,大块的
We have seen massive changes in recent years. 这几年我们经历了巨大的变化。
397. mature：【mətjuə 】a. 成熟的；深思的; 慎重的
The new ambassador is more mature than his predecessor.新大使比他的前任更成熟一些。
398. maximum ['mæksəməm] a. 最高的,最大的
Our goal is to achieve the maximum of efficiency. 我们的目标是取得最高的效率。
399. minimum ['mɪnəməm] a. 最低的,最小的
You must practice each day for a minimum of 30 minutes. 你每天必须最少练习三十分钟。
400. nonsense ['nɑnsɛns] n. 胡说,冒失的行动
I won't put up with any more of your nonsense -- now get down to work. 不容许你再胡闹了-快工作吧。
401. nuclear [' nju:kliə] a. 核子的, 核能的
He's very interested in nuclear physics. 他对核物理学非常感兴趣。
402. nucleus [' nju:kliəs] n. 核；中心, 核心
These young people formed the nucleus of the club. 这些年轻人成了俱乐部的核心。
403. retail [' ri:teil] n. 零售；v. 零售ad. 零售的
In this shop they retail tobacco and sweets. 这家铺子零售香烟和糖果。
404. retain [ri'tein] vt. 保留,保持
This village still retains its old world character. 这个村庄仍然保持着古色古香的特色。
405. restrict [ris'trikt] vt. 限制,约束
He feels this new law will restrict his freedom. 他觉得这一新法律会限制他的自由。
406. sponsor ['spɔnsə] n. 发起者,主办者；vt. 赞助, 发起, 主办
The company sponsored several TV programs. 这家公司赞助了几个电视节目。
407. spur [spə:] n./vt. 刺激,激励
Such stories serve as a spur to children's imagination.这类故事能激发儿童的想像力。
408. triumph ['traiəmf] n. 胜利,成功; vi. 获胜, 得胜; 克服
The victorious army returned in triumph. 获胜的部队凯旋而归。
409. tuition [tju'iʃən] n. 学费Her yearly tuition is $2, 000. 他一年的学费是两千美元。
410. twist [twist] vt./ vi. 使缠绕；转动；扭歪
He twisted the three ropes to make an very strong rope.他把三根绳子搓在一起, 做成了根结实的绳子。
411. undergraduate [,ʌndə'ɡrædjuit] n. 大学毕业生；本科生
This is a course for undergraduates. 这是为本科生开的一门课。
412. universal [ju:ni'və:səl] a. 普遍的,通用的；宇宙的It's a universal truth. 这是一个普遍真理。
413. universe ['ju:nivə:s] n. 宇宙
Our world is but a small part of the universe. 我们的地球只是宇宙的一小部分。
414. via ['vaiə] prep. (表示方式)通过(某人), 凭借(某种手段)；(表示关涉)经由, 经过
The news reached me via my aunt. 那消息是通过我婶婶转告我的。
415. vibrate [vai'breit] v. (使)振动；颤动
The bridge vibrated when a heavy truck passed. 当重型卡车经过时, 这座桥就会震动。
416. virus ['vaiərəs] n. 病毒This is a new kind of viruses in the computer. 这是一种新的电脑病毒。
417. voluntary ['vɔləntəri] a. 自愿的；义务的
He made a voluntary statement to the police. 他自动向警方供出一切。
418. volunteer [,vɔlən'tiə] n. 志愿者 v. 自愿（做）
He volunteered to water our plants. 他自告奋勇给我们的树木浇水。
419. vote [vəut] v. 选举; 提议, 建议n. 选票They vote to choose a president. 他们投票选举总统。
420. wagon ['wæɡən] n. 四轮马车,铁路货车
421. appoint vt. 任命,委派; 确定, 指定; 约定He was appointed secretary. 他被任命为秘书。
422. approach [ə'prəutʃ] v. 靠近,接近 n. 途径,方式Christmas was approaching. 圣诞节快到了。
423. appropriate [ə'prəʊpriət] a. 适当的; 合适的
Her bright clothes were not appropriate for a funeral.她那身鲜艳的衣服不适合参加葬礼。
424. bunch [bʌntʃ] n. 群,伙；束,串
I received a bunch of flowers yesterday. 昨天我收到了一束鲜花。
425. bundle ['bʌndl] n. 捆,包,束 vt. 收集,归拢
We collected a bundle of old clothes to be given to poor people. 我们收集了一包旧衣服给穷人。
426. ceremony ['seriməni] n. 典礼,仪式When does the ceremony take place? 典礼何时举行？
427. chaos ['keiɔs] n. 混乱,紊乱
There was chaos in the town after the hurricane had struck. 飓风过后,城里一片混乱。
428. discount['diskaunt] n. （价格）折扣
We give a special discount of 10 per cent for cash. 如用现金购买,我们给予九折优待。
429. display[di'splei] n./vt. 陈列,展览The cakes were displayed in the window. 糕点陈列在橱窗中。
430. equivalent[i'kwivələnt] a. 相等的 a. 相等物
His reply is equivalent to a refusal. 他的回答等于是拒绝。
431. erect[i'rekt] a. 竖直的 v. 建造,竖立Soldiers are trained to stand erect. 士兵们训练站得笔直。
432. fax[fæks] n./vt. 传真Please fax us the file. 请把这些文件传真给我们
433. fertile ['fə:tail] a. 肥沃的；多产的
The land is so fertile that three crops a year can grow. 这片土地很肥沃,一年可种三季庄稼。
434. fertilizer ['fə:tilaizə] n. 肥料Get some more fertilizer for the garden. 给花园再多施些肥料。
435. grateful ['greitfəl] a. 感激的
I am grateful to have you help me repair the house. 承你帮忙修缮房子,我十分感激。
436. gratitude ['grætitju:d] n. 感激
Her eyes were immediately filled with gratitude. 她的眼里立刻充满了感激之情。
437. horror ['hɔrə] n. 恐怖；憎恶To his horror, the bus caught fire. 使他惊恐的是, 公共汽车着了火。
438. horrible ['hɔrəbl] a. 可怕的
It is a horrible thing to see one person make another suffer. 看到人折磨人的景象是件可怕的事。
439. Internet ['intənet] n. 国际互联网, 因特网You can find it on the Internet. 你可以在因特网上找到它。
440. interpret [in'tə:prit] v. 翻译,解释He interpreted a difficult passage in a book.
441. interpretation [in,tə:pri'teiʃən] n. 解释,说明
This rule does not allow of more than one interpretation. 这条规则只能有一种解释。
442. jungle ['dʒʌŋgl] n. 丛林,密林Advance in the jungle was very slow. 在丛林中行进很慢。
443. knot [nɔt] n. 结 vt. 把...打成结
He tied the two ropes together with a knot. 他打个结把两根绳子系在一起。
444. leak [li:k] n.漏洞，裂缝；v. 漏,渗出
The rain dripped down from a leak in the roof. 雨水从屋顶的裂缝中滴漏下来。
445. lean [li:n] vt./vi. (使)倾斜,倚,靠The postbox leans a little bit. 这个邮筒有点倾斜。
446. leap [li:p] vt./vi.(使) 跳跃The fish leaped out of water and landed on the shore. 鱼跃出水面落到岸上。
447. modify ['mɔdifai] vt. 修改We have to modify our plan a little bit.. 我们得对我们的计划稍加修改。
448. nylon ['nailən] n. 尼龙He dresses a nylon shirt.他穿着一件尼龙衬衫。
449. onion ['ʌnjən] n. 洋葱We grow onions in the garden. 我们在园子里种洋葱。
450. powder ['paudə] n. 粉末；药粉，火药
He crushed a piece of chalk to powder. 他将一支粉笔压成粉末。
451. applicable ['æplikəbl] a. 可应用的,可实施的；适当的
The new law is applicable from next Monday. 新法令下个星期一开始实施。
452. applicant ['æplikənt] n. 申请人 There were five applicants for the position. 有五人申请那个职务。
453. breadth [bredθ] n. 宽度；宽容，宽宏大量It was a small river, six feet in breadth.
454. conservation [,kɔnsə:'veiʃən] n. 保存,保护
Conservation is one way to make sure we have enough energy in the future.
对自然资源的保护是保证我们将来有足够的能源的一种办法。
455. conservative [kən'sə:vətiv] a. 保守的
His conservative views made him unpopular. 他保守的观点使他不受欢迎。
456. parallel ['pærəlel] n. 平行线；可相比拟的事物；adj.平行的，同方向的
These two lines are parallel. 这两条线平行。
457. passion ['pæʃən] n. 激情,热情They sang with great passion. 他们满怀激情地歌唱。
458. passive ['pæsiv] a. 被动的,消极的His response was passive. 他的反应是被动的。
459. herd [hə:d] n. 兽群,牧群；v.放牧，聚在一起
We saw a herd of elephants yesterday. 昨天我们见到了一群大象。
460. peak [pi:k] n. 山峰,顶点The mountain peak was covered with snow. 山顶被雪覆盖着
