F-12
[医] 氟利昂十二, 二氯二氟甲烷
🏥 医学释义
氟利昂12，二氯二氟甲烷
🧩 词语组成解析
twelve
🗣️ 情景例句
Thank you, sir.
谢谢您，先生。
The child behaved so rudely that he put his father to shame.
这孩子举止非常无礼，使他的父亲感到羞耻。
It is said that a new policy is being put into practice in your foreign trade.
据说你们正在实施一种新的对外贸易政策。