Polyvinylchloride
[医]聚氯乙烯：由氯化乙烯聚合所形成的一种化合物
🗣️ 情景例句
Marriage between homesexuals is a controversial topic today.
同性恋者之间的婚姻如今是个具有争议的话题。
I've changed my mind.
我已经改变主意。
I can lend you one and a few pieces of equipment.
我可以借给你一顶帐篷和几样装备。