Poly(vinyl formal)
[化] 聚乙烯醇缩甲醛
🗣️ 情景例句
What was your speciality?
你学的是什么专业？
I will be hospitalied in January.
我将在一月份住院。
The spheres had been magnetized and attracted or repelled each other all the time.
金属球经过磁化，互相之间不停地相互吸引或相互排斥。