Eptfe
abbr. expanded polytetrafluoroethylene 多孔（泡沫）聚四氟乙烯
🗣️ 情景例句
What, Harry?
什么 ，Harry？
The land in this region is dry and parched.
在这个区域的陆地是干燥炎热的。
The most unusual car was a Benz which had only three wheels.
而最不寻常的一辆则要属只有3只轮子的奔驰牌汽车了。