Hexamethyleneamine
己烯胺
🗣️ 情景例句
I have two career opportunities at the same time.
我同时有两个事业机会。
As the wind blows, you must set your sail.
趁风启帆。
Thank you. You watched the match, didn't you?
谢谢你。你看了比赛，对吧？