Understudying
v. 练习做临时演员( understudy的现在分词 )
🗣️ 情景例句
I'm ten.
十岁。
There may be different ways of doing business.
有很多不同的方式。
but they did not go out of their way to court such excitement.
但是，他们并非故意寻求这种刺激，