Polyvinyl
a. 聚乙烯基的
🗣️ 情景例句
Malcolm, you worked on the Spaceport project?
Malcolm，你曾负责 太空港 的案子？
What are you doing next week?
下周你干什么？
Excuse me, please. Where's the nearest men's room?
劳驾，离这儿最近的男厕所在哪儿？