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 are your hours?
你是几点到几点上班？
We've increased our efficiency by 20% through automation.
通过自动化我们的效率增加了20%。
Meanwhile, they should encourage those among us who cannot swim five yards before they are gasping for air.
与此同时，他们对我们中的那些游不了5码就已喘不过气来的人应该是种鼓舞。