Understudying
v. 练习做临时演员( understudy的现在分词 )
🗣️ 情景例句
If you've been with someone for this length of time you'll have to ask yourself what reservations have I got?
如果你和某人生活了这么长时间，你得问一下自己，你对这段婚姻满意吗？
I hope you can pass the examinations.
我希望你的考试能通过。
that is something like 6,000,000 spiders of different kinds on a football pitch.
这就是说，在一个足球场上约有600万只不同种类的蜘蛛。