Polystyrene
高中 Senior Highn. 聚苯乙烯\\n[化] 聚苯乙烯
📖 牛津释义
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
and he doesn't know anything
而他毫无所知
Ouch! I fell down and cut my knee!
好痛呦！我跌倒割伤了膝盖！
We were in a better position than they were.
我们的处境比他们要好。