Fluorating agent
[化] 氟化剂
🧩 词语组成解析
氟化
🗣️ 情景例句
Soon.
很快。
He failed the examination but he didn't seem to care.
他考试不及格却似乎并不在乎。
An even harder situation is to be on the platform in good time for a train and still to see it go off without you.
更难堪的情况是虽然及时赶到站台上，却眼睁睁地看着那趟火车启动，把你抛下。