Polyvinylchloride
[醫(yī)]聚氯乙烯：由氯化乙烯聚合所形成的一種化合物
??? 情景例句
I'm not a great admirer of his work.
我對他的工作不太欣賞。
Is it far?
遠(yuǎn)嗎？
Bad luck! said Mother. It doesn't matter!
“真糟糕！”媽媽說，“沒關(guān)系！”