Hexamethylenediamine
[建] 己二氨-[1,6]
🗣️ 情景例句
I'll call her back.
我给她回电话。
He that would the daughter win, must with the mother first begin.
欲得女儿欢，先遂其母意。
He became mortally ill a few months before we had planned to go and,
就在他计划回国的前几个月，他突然身患绝症。