Polynonanoylamide
[化] 聚壬酰胺; 尼龙-9
🗣️ 情景例句
Well, when you called,
嗯， 你们打电话来时，
How long will it take me to get there?
到那儿要多长时间？
I hope that you and everybody at school are all well.
我希望你和学校里的每一个人都很好。