Catastrophe theory
[化] 突变论
🧩 词语组成解析
🗣️ 情景例句
You didn't say the magic words.
你没有念魔语。
I know the boy whose father is a manager.
我知道那个男孩的父亲是经理。
Just a minute. She's taken the bag that usually sits on top of the cupboard.
等等。她带走了通常放在壁橱顶上的包。