Polyvinyl
a. 聚乙烯基的
🗣️ 情景例句
We can have somebody come by, but it won't be right away.
我们可以派人去，但现在不行。
According to the latest census,our population has increased.
根据最近的人口普查，我们的人口增加了。
I would like to express to all of you here our sincere welcome.
让我向在座诸位致以最真挚的欢迎。’