词形变化：
副词: welcomely | 名词: welcomeness | 动词过去式: welcomed | 动词过去分词: welcomed | 动词现在分词: welcoming | 动词第三人称单数: welcomes | int.欢迎(光临)
Hello, Sarah! Welcome back to London!你好, 萨拉! 欢迎回到伦敦来!
vt.
1. 欢迎
The mayor welcomed the visiting guests at the airport.
市长到机场欢迎来宾。
2. 欣然接受
She didn't welcome the suggestion.她不接受这项建议。
a.
1. 受欢迎的
She was a welcome visitor.
她是个受欢迎的来宾。
2. 令人愉快的
3. 被允许的, 可随意使用的[( to)][ to-v]
You know you are welcome to stay.
你知道, 我们欢迎你住下。
n.欢迎, 款待; 欢迎辞[C]
He received a cordial welcome at Cambridge.他在剑桥受到了热诚的欢迎。
