Polyheptamethylene sebacamide
[化] 聚亚庚基癸二酰胺; 聚癸二酰庚二胺
🗣️ 情景例句
This universal language has always brought people of different cultures close together.
这种世界性的语言将不同文化的人紧密地结合在一起。
One cannot get blood from a stone.
石头里抽不出血。
The bridge is so long that the shape of the earth had to be taken into account by its designer.
由于桥身太长，设计者不得不考虑了地表的形状。