Polyvinylidene
a. [化]聚偏二乙烯的
🗣️ 情景例句
Technology has totally changed our life over the past two decades.
在过去的二十年里，科学技术已经完全改变了我们的生活。
I have a feeling he will get to the airpot on time.
我有一种感觉他会准时到机场。
I told her what the revolutionaries were doing and I persuaded her to help me.
我告诉她革命者都在干些什么事，并说服她给我帮忙。