Polyvinylamine
聚乙烯胺; 聚乙烯胺
🗣️ 情景例句
Jazz music is performed at many dinner parties.
在很多宴会派对里都有爵士乐的演奏。
Uh-oh, here comes my boy friend, he's insanely jealous.
噢，我男朋友过来啦，他可是个大醋坛子呦。
It is recounted of Thomas Carly1e that when he heard of the illness of his friend,
他听说朋友病了，