Performic acid
[化] 过甲酸
🧩 词语组成解析
🗣️ 情景例句
This is a beautiful wedding.
这婚礼办的真漂亮。
What is the total circulation of this weekly magazine.
这家周刊总发行量多少？
Were there any telephone messages for me while I was away?
我外出期间有我的电话吗？