Performic acid
[化] 过甲酸
🧩 词语组成解析
🗣️ 情景例句
Hello, Susan.
喂 Susan。
My watch says two o'clock.
我的表是两点钟。
But there are some parts of the word where even now people cannot write.
但直到现在，世界上有些地方，人们还不会书写。