Poly(vinyl fluoride)
[化] 聚氟乙烯
🗣️ 情景例句
No.
不是吧。
Make me a cup of coffee, will you?
给我冲杯咖啡，好吗？
Dickie left the shop without a word and returned carrying a large cloth bag.
迪基二话没说就走了。一会儿，他带着一个大布口袋回到店里。