Polystyrenes
(polystyrene 的复数) n. 聚苯乙烯\\n[化] 聚苯乙烯
🗣️ 情景例句
It's nice to see you again.
很高兴再见到你们。
He's the same as always.
他还是老样子。
We need it in our office by next Monday.
下星期一以前要送到我们公司。