Poly(vinyl chloride)
[化] 聚氯乙烯
🗣️ 情景例句
Help me with this tie, will you?
帮我打领带 好吗
I don't like his kissing business.
我对他的接吻索然无味。
If we could stay as vigorous as we are at twelve,
假如我们能保持12岁时的旺盛生命力，