Convolvamine
[化] 旋花胺
🗣️ 情景例句
You can't expect to learn a foreign language in a week.
别指望一个星期就能学会一门外语。
I'm the brightest man in my party.
我是我的聚会中最聪明的男人。
How can you say that?
你怎么可以这样说？