Petrels
(petrel 的复数) n. 海燕
🗣️ 情景例句
Of course not.
当然不是
Would you please have these clothes washed for me?
可以请你为我把这些衣服洗了？
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，