Polystyrenes
(polystyrene 的复数) n. 聚苯乙烯\\n[化] 聚苯乙烯
🗣️ 情景例句
She cheated on the examination.
她考试作弊。
Please come in; you're right on time.
请进，你正好准时到来。
we'll be poor again.What'll we do then?
我们又会变穷的。那时我们怎么办呢？