Polypentamethylene suberamide
[化] 聚亚戊基辛二酰胺; 聚辛二酰戊二胺
🗣️ 情景例句
What? Who?
什么 ，是谁？
To tear down buildings
破坏大楼
Spiders are busy for at least half the year in killing insects.
蜘蛛至少有半年在忙于吃昆虫。