Polyheptamethylene sebacamide
[化] 聚亚庚基癸二酰胺; 聚癸二酰庚二胺
🗣️ 情景例句
Why shouldn't I run?
为什么我不该竞选？
Poverty and love are hard to hide.
贫困与爱情，都难瞒过人。
I can't understand why he is being so selfish. He isn't usually like that.
我不明白他此刻怎么这么自私。他平时不这样。