serve as 是动词词组 担任,充当,起…作用,被用作 例句 John has served his time as a carpenter's apprentice. 约翰给木匠当学徒的期限已满了。 He served as a witness at the wedding. 他在婚礼中当证婚人。这个一看就是个动词词组。不用怎么判断啊。同义词有 act as/play...

发布时间：2025-10-31 浏览量：4