Polypentamethylene sebacamide
[化] 聚亚戊基癸二酰胺
🗣️ 情景例句
Please don't do it without asking.
未经允许请不要那么做。
Danger itself is the best remedy for danger.
危险本身就是对付危险的最好办法。
I'd prefer them not to play too loudly at the beginning.
我比较喜欢开始时的演奏不要太吵