Perfluoropropylene
[化] 六氟丙烯; 全氟丙烯
🗣️ 情景例句
Am I older than you? You look so young.
我比你老吗？你看起来非常年轻？
We were pleased to hear from your letter of 6 August that you were impressed with our selection of toys.
我们很高兴收到你方8月6日来函得知你方对我们的玩具非常感兴趣。
Thank you, Lily.
谢谢你，莉莉。