Eptfe
abbr. expanded polytetrafluoroethylene 多孔（泡沫）聚四氟乙烯
🗣️ 情景例句
Did you get some rest on your vacation?
假期中休息的怎么样？
Would you know your daughter, see her in company.
若要知道你女儿，且看她和谁交往。
We are on the left.
我们在河的左侧。