Polynonanoylamide
[化] 聚壬酰胺; 尼龙-9
🗣️ 情景例句
You're kidding.
在说笑吧。
I would like to go to town, Do you want to go, too?
我要去城里，你是不是也要去？
Last August. We had a lovely holiday, one of the best ever.
去年8月。我们度过了一个令人愉快的假日，也是有史以来最愉快的假日之一。