Fluoroethanoic acid
[机] 氟乙酸
🧩 词语组成解析
🗣️ 情景例句
Well ... I feel fine about it. Why shouldn't I?
嗯……我觉得不错。为什么不呢？
Who wrote that composition?
那个作品是谁写的？
No, let me pay this time.
不，这次由我付。