Poly(vinyl alcohol)
[化] 聚乙烯醇
🗣️ 情景例句
In many countries, politicians are associated with money and scandals.
在许多国家，政客与金钱和丑闻分不开。
My hobby is collecting stones.
我的嗜好是收集石头。
Is this a pencil?
这是一支铅笔吗？