Polypentamethylene azelamide
[化] 聚亚戊基壬二酰胺; 聚壬二酰戊二胺
🗣️ 情景例句
They graduated from high school last year.
他们去年高中毕业。
Rivers need a spring.
大河要有源头。
Hello! Did you enjoy yourselves at the party ?
你好！你们在晚会上玩得愉快吗？