Poly(vinyl alcohol)
[化] 聚乙烯醇
🗣️ 情景例句
It's a surprise.
会给你一个惊喜。
How did this happen?
怎么会这样？
He had hardly had time to settle down when he sold the house and left the country.
还没等安顿下来就卖掉了房子，离开了这个国家。