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
Please excuse me. I'm very sorry.
请原谅我， 我真的很不好意思。
Kindness is the sunshine of social life.
仁慈是社会生活中的阳光。
When Gary told me that he wanted to be a painter, I refused to give him any money.
当加里告诉我他想要当画家的时候，我拒绝给他钱。