Polystyrenes
(polystyrene 的复数) n. 聚苯乙烯\\n[化] 聚苯乙烯
🗣️ 情景例句
About Mom and Dad.
爸爸和妈妈。
I wrote novels yesterday.
我昨天在写小说。
Just pencil in the changes and we'll retype it.
修改的地方请用铅笔，我们会重打。