Polyvinylidene
a. [化]聚偏二乙烯的
🗣️ 情景例句
What sort of experience do you have?
你有什么样的经历？
How often did I tell you not to speak so loud?
我告诉你多少次不要讲话这么大声?
I want to see the film again.
我真想再看一遍。