Understudying
v. 练习做临时演员( understudy的现在分词 )
🗣️ 情景例句
Thanks ... for what?
谢什么？
Scratch a Russsian, and you('ll) find a Tartar.
文明不能改变本性。
There isn't any trouble. I'm just waiting for my change.
没事儿。我只是等着找钱。