Polyheptamethylene sebacamide
[化] 聚亚庚基癸二酰胺; 聚癸二酰庚二胺
🗣️ 情景例句
Please make an effort to arrive early.
请争取早点来。
It is easier to give good counsel than to follow it.
提出忠告易，照著办事难。
I'm making a bookcase.
我正在做书架。