Performic acid
[化] 过甲酸
🧩 词语组成解析
🗣️ 情景例句
How are you?
你好吗？
I'd say yor're about twenty-three.
我猜你大约23岁。
He wasn't dreaming, officer.I was telling him to drive slowly.
警官，他思想没有开小差。我刚才正告诉他开慢点。