Polytetramethylene azelamide
[化] 聚亚丁基壬二酰胺; 聚壬二酰丁二胺
🗣️ 情景例句
This could be your lucky day.
今天你要时来运转了。
Why are you so sleepy?
你为什么这样想睡？
I've just arrived myself so forgive me if I don't seem to know what's going on.
我自己也刚到家。所以，如果我不了解情况的话，那么请你原谅。