Polyheptamethylene sebacamide
[化] 聚亚庚基癸二酰胺; 聚癸二酰庚二胺
🗣️ 情景例句
Which subject were you best interested in?
你对哪一科最有兴趣？
Have you finished yet?
你做完了吗？
I'm from Hangzhou. What about you?
杭州，你呢？