polystyrene
n[U]
type of light firm plastic with good insulating properties, used esp for making containers 聚苯乙烯
[attrib 作定语]
a polystyrene box 聚苯乙烯塑料盒.
🗣️ 情景例句
May I see the mirror, please?
我可以照照镜子吗?
We can't afford the expense.
我们不能付出那些花销。
the old undue grip relaxes and the process of recuperation and repair begins.