Polynonamethylene adipamide
[化] 聚亚壬基己二酰胺; 聚己二酰壬二胺
🧩 词语组成解析
[化] 己二酰二胺
🗣️ 情景例句
and then we'll figure out what to do today.
然后我们再决定今天做些什么。
Idle young, needy old.
少壮不努力，老大徒伤悲。
That sounds a great idea. Good luck with your trip!
听起来真是个好主意。祝你一路顺风。