Poly(vinyl alcohol)
[化] 聚乙烯醇
🗣️ 情景例句
We have a real hard-nosed boss.
我们老板真的很固执。
I got caught in traffic, otherwise I would have been here sooner.
我遇到交通阻塞，否则我很快就到这了。
He fell behind with his work.
他工作落后了。