Polythioester
[化] 聚硫酯
🗣️ 情景例句
Who's buying the drinks?
谁来买酒？
I ought to talk to him.
我应该和他商讨。
It is a good idea to start a part-time job so long as it does not affect your studies.
只要不影响学习，干兼职工作的想法是不错的。