Polystyrenes
(polystyrene 的复数) n. 聚苯乙烯\\n[化] 聚苯乙烯
🗣️ 情景例句
They concluded that the goods were of good quality and proved no problem.
他们断定货物质地优良，并证明没有任何问题。
One must drink as one brews.
自作自受。
Jim, how long have you been at this school?
吉姆，你到这学校有多么时间了？