Polypentamethylene azelamide
[化] 聚亚戊基壬二酰胺; 聚壬二酰戊二胺
🗣️ 情景例句
But it won't be on my birthday.
但是那就不是在我生日那天了。
Did you tell him yourself?
你自己亲自告诉他吗？
Speak louder，please.
说话请大声点儿。