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
but living in New Jersey and the suburbs
但住在 New Jersey的郊区
Each bird loves to hear himself sing.
鸟儿都爱听自己唱歌。
Yes, and full payment is due within 30 days.
是的，如果在30天骨付款就没有折扣。