Teflon seal
[化] 聚四氟乙烯密封(件)
🧩 词语组成解析
[化] 聚四氟乙烯\\n[医] 塔夫纶, 聚四氟乙烯(商品名,用于外科的塑料)
seal
[sil]
n. 密封;印章;海豹;封条;
v. 密封;盖章;决定;封上（信封）;
🗣️ 情景例句
What do you like to do during holiday?
在假日你喜欢做什么？
Who do you think you are?
你算什么东西？
I often fish for hours without catching anything.
我经常一钓数小时却一无所获，