Polynonanoylamide
[化] 聚壬酰胺; 尼龙-9
🗣️ 情景例句
I'd like your help.
我要请你帮忙。
Short acquaintance brings repentance.
浅交生后悔。
He reasoned with them, and tried to persuade them to set him free.
他跟这些人讲道理，试图说服他们把他放了。