Polyvinylidene
a. [化]聚偏二乙烯的
🗣️ 情景例句
I like to listen to the music and to play piano and occasionally to go swimming.
我喜欢听音乐、弹钢琴，有时候去游泳。
This is a radio.
这是一台收音机。
Shall I call you James or Jim?
我是叫你詹姆斯呢还是叫你吉姆？