Understudying
v. 练习做临时演员( understudy的现在分词 )
🗣️ 情景例句
My account number is ...
我户头号码是…
Call me tomorrow if you don't feel better.
明天如果没有好转，就打电话给我。
To my surprise, he gave me the money immediately.
令我惊奇的是，他立刻把钱给了我。