Diprotic acid
[化] 二元酸
🧩 词语组成解析
双质子的
🗣️ 情景例句
and I can give you and Mrs. Stewart a month of classes free.
我让你和你太太免费上一个月的课。
I'm really positive that this product has all the features you have always wanted.
我确信这种产品有各种你所要的款式。
The men got such a fright that they dropped the bag and ran away.
这两个人吓了一跳，扔下提包逃跑了。