Fluorines
(fluorine 的复数) n. 氟\\n[化] 氟
🗣️ 情景例句
We're open till nine P.M..
我们开到晚上九点。
Doctors and lawyers are professional people.
医生和律师是专业人员。
Of course.take your time.
当然，你慢慢看吧。