Performic acid
[化] 过甲酸
🧩 词语组成解析
🗣️ 情景例句
This is a two-bedroom, two-bath house.
这是一栋有两间卧室、 两间盥洗室的房子。
As soon as he comes, we'll let him know.
他一来，我们就告诉他。
No, we haven't.
嗯，没有。