Pvdf
[化] 聚偏二氟乙烯
🗣️ 情景例句
It's too crowded in the bus. I think I'll have to get off to walk the rest of the way home.
车上太挤了，我想剩下的路我必需下车走路回家。
Why did't you go home?
为什么你不回家？
Just take this street round to the right of the castle.
走这条路，拐个弯就到了城堡的右侧。