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
Has he made it up with her yet?
他和她和好了吗？
My brother came in,changed his clothes,and went out again.
我的兄弟进来了，换掉了他的衣服，并再去外面了。
Li lei is very good at football.
李雷很擅长足球。