Vinylstyrene
乙烯基苯乙烯
🗣️ 情景例句
without studying these building plans more carefully.
在没有仔细研究这些建筑图的情况下。
I know the boy whose father is a writer.
我知道那个男孩的父亲是作家。
I'm here! said Jim. And so is Polly!
“我在这儿！”吉姆说，“波利也在这儿！”