The drug did not affect his health; in fact ,it seemed to have no effect at all.
药物对他的健康没有影响；事实上，这似乎毫无效果。
1. affect只是总是动词，表“影响、感动”，引申含义有：影响;侵袭;使感染;(感情上)深深打动;使悲伤(或怜悯等);假装;炫耀
Your opinion will not affect my decision.
你的意见不会影响我的决定。
Does television affect children's behaviour?
电视对孩子的行为有影响吗？
The disease has affected her sight.
这种病影响了她的视力。
People tend to think that the problem will never affect them.
人们往往认为这个问题绝不会影响到他们。
The new law will affect us all, directly or indirectly.
新的法规将直接或间接地影响我们所有的人。
The disease affects fully 30 per cent of the population.
这种病感染了足足30%的人口。
They were deeply affected by the news of her death.
她死亡的消息使他们唏嘘不已。
Manufacturing industry was worst affected by the fuel shortage.
制造业受燃料短缺的影响最为严重。
The south of the country was worst affected by the drought.
该国南方旱情最严重。
The country has been badly affected by recession.
该国受到经济衰退的严重影响。
An unhappy home environment can affect a child's behaviour.
不幸的家庭环境可能对孩子的行为造成影响。
An unhappy home environment can affect children's behaviour.
不幸的家庭环境可能对孩子的行为造成影响。
These drugs may affect your sex drive.
这些药物可能影响你的性欲。
《牛津高阶英汉双解词典》
Her health was adversely affected by the climate.
那种气候损害了她的健康。
Whenever we hear of a natural disaster,even in a distant part of the world, we feel sympathy for the people affected.
Whenever we hear of a natural disaster,even in a distant part of the world, we feel sympathy for the people who have been affected.
每当我们听到自然灾害，即使是在世界上遥远的地方，我们都会同情受灾的人民。
2.effect,
第一点：名词，影响，应用，效果，印象, 财产，所有物，财物;
指对人 / 事产生的效应、影响、结果
短语：have a good effect on 对象
What have you done will not have a good effect on your fame.
你所做的不会对你的名声产生好的影响。
Modern farming methods can have an adverse effect on the environment.
现代农业耕作方法可能对环境造成负面影响。
My father's death had a profound effect on us all.
父亲的去世深深地影响了我们全家。
Does television have an effect on children’s behaviour?
电视对孩子的行为有影响吗？
Lack of money will have an adverse effect on our research programme.
缺少资金将对我们的研究方案有不利影响。
Overseas investment has had a positive effect on exports.
海外投资对出口有积极影响。
The news had a destabilizing effect on the stock market.
这消息引起了股市的动荡。
Cities have a powerful magnetizing effect on young people.
城市对青年人有着强大的吸引力。
Her words had a magical effect on us.
她的话对我们有一种魔力般的作用。
The price increase has had no perceptible effect on sales.
这次提价没有对销售产生明显的影响。
Unemployment is having a corrosive effect on our economy.
失业对我国的经济起着破坏作用。
The crisis had a negative effect on trade.
这次危机对贸易产生了很坏的影响。
the effect of heat on metal
热对金属产生的效应
the beneficial effects of exercise
锻炼的好处
learn to distinguish between cause and effect
学会分清因果
The ordeal has affected both her mental and physical health.
痛苦的经历损害了她的身心健康。
Despite her ordeal, she seems to have suffered no ill effects .
她尽管备受磨难，但好像并未受到不利影响。
Her criticisms had the effect of discouraging him completely.
她的批评使他完全丧失了信心。
The insurance policy covers all baggage and personal effects.
这份保险单为全部行李和个人财产提供保险。
Mr Morris feels the museum is using advertising to good effect.
莫里斯先生认为博物馆作的广告卓有成效。
第二点，effect作动词罕见且正式，意为实现、产生：使发生
相当于：accomplish,achieve,bring about
They hope to effect a reconciliation.
他们希望实现和解。
I will effect my purpose :no-one shall stop me!
我一定要达到我的目的；谁也阻止不了我。
He effected several important changes.
他进行了几项重要的变革。
effect a cure/change/recovery
产生疗效；引起变化（革）；实现复苏
Prospects for effecting real political change seemed to have taken a major step backwards.
实现真正政治变革的机会似乎变得更加渺茫了。
