Poly(vinyl chloride)
[化] 聚氯乙烯
🗣️ 情景例句
That a boy.
对了。
I'd like a refund.
我要想退款。
An even harder situation is to be on the platform in good time for a train and still to see it go off without you.
更难堪的情况是虽然及时赶到站台上，却眼睁睁地看着那趟火车启动，把你抛下。