Polyethylenamine
聚乙烯胺
🗣️ 情景例句
I need your help badly. My car can't start. Can you send somebody over?
我急需你们的帮助。我的车启动不了，能派人来修吗？
March comes in like a lion and goes out like a lamb.
三月来如雄狮，去如绵羊。
Every man is fool sometimes, but none at all times.
每个人都有愚蠢的时候，但是没有一个人永远愚蠢。