单词 | sit in |
释义 | sit inphr v 1. sit in for sb to do a job, go to a meeting etc instead of the person who usually does it 代替[某人] 2. sit in on sth to watch a meeting or activity but not get involved in it 列席; 旁听:◇do you mind if i sit in on your class? 你介意我来旁听你的课吗? |
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