Polyprotic acid
[化] 多元酸
🧩 词语组成解析
🗣️ 情景例句
I don't care how much I have to study. I have to pass this exam.
我不介意要学多少东西。我必须得通过考试。
There is no sense in what he says.
他说的话没有道理。
By bus. This little girl brought me.
乘公共汽车。这个小姑娘带我来的。