Polyvinylidene
a. [化]聚偏二乙烯的
🗣️ 情景例句
She has both a good brain and beauty.
她才貌双全。
Just call me Tom.
就叫我汤姆吧。
The planes had been planting seed for nearly a month when it began to rain.
飞机撒播近一个月后，开始下起雨来。