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
I have been a poor student of foreign languages.
外语就学得不好。
What is sauce for the goose is sauce for the gander.