Poly(vinyl acetal)
[化] 聚乙烯醇缩乙醛; 聚乙烯醇缩醛
🗣️ 情景例句
There was a girl on the ferry.
在渡船上有一个女孩。
Rachel promised to listen for the telephone.
雷切尔答应要守着接听电话。
Would you tell me your phone number?
你能告诉我你的电话号码吗？