Polypentamethylene azelamide
[化] 聚亚戊基壬二酰胺; 聚壬二酰戊二胺
🗣️ 情景例句
I owe you an apology for what I did last night.
我应该为昨天晚上的事向你道歉。
Be slow to promise and quick to perform.
不轻诺，诺必果。
Please stop me if you have any question.
有任何问题，请随时叫我停下来。