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
Mom.
妈妈。
I hope you will be able to do a good business with the Chinese as well as customers of other countries.
我希望你们能够和包括中国在内的各国客户做成交易。
It has been said that everyone lives by selling something.
据说每个人都靠出售某种东西来维持生活。