Understudied
v. 练习做临时演员( understudy的过去式和过去分词 )
🗣️ 情景例句
I think I've seen you before, You look very familiar.
我想我以前在哪里见过你，你看起来非常面熟。
To run into
碰撞
Have we been introduced?
对不起，我们彼此介绍过了吗？