Polyethylenamine
聚乙烯胺
🗣️ 情景例句
I know a pop star who's a lesbian.
我认识的位歌星是女同性恋。
Every man thinks his own geese swans.
每个人都以为自己的东西了不起。
It was difficult not to be tempted.
要想不为这些东西所动心是很困难的。