Understudying
v. 练习做临时演员( understudy的现在分词 )
🗣️ 情景例句
Has he made it up with her yet?
他和她和好了吗？
How long will your offer hold good?
一般你们报盘的有效期是多长？
I don't know, she says.
她说“我不知道”。