Ptfe
abbr. 聚四氟乙烯（Polytetrafluoroethylene）
🗣️ 情景例句
Why don't you talk to him about it tomorrow?
何不明天再跟他谈？
I'm going to buy three yards.
我要买给她三码。
This caused the construction of gigantic buildings where too large masses of human beings are crowded together.
这样就导致了许多摩天大厦拔地而起，大厦内众多的人挤在一起。