Poly(vinyl acetal)
[化] 聚乙烯醇缩乙醛; 聚乙烯醇缩醛
🗣️ 情景例句
Well ... we ...
嗯……我们……
A good wife and health is a man's best wealth.
贤妻和健康是男子的至宝。
At the end of the second lap.
在第二圈结束时。