Polyesterification
n. 聚酯
🗣️ 情景例句
Well, there are Dragon Boat Festival, Mid-autumn Festival, Chung Yeung Festival and so on.
嗯，还有端午节、中秋节、重阳节等等。
My brother is a member of the faculty.He teaches economics.
我的兄弟是全体教员中的一员，他是教经济学的。
I would like to ask you a favor.
我可以提出一个要求吗？