Performic acid
[化] 过甲酸
🧩 词语组成解析
🗣️ 情景例句
How much will it be?
要多少钱？
One wrong (or false) move can lose the whole game.
棋错一著，全盘皆输。
Of course, everyone began to shout very loudly.
当然，每一个人都开始大声地喊叫。