Ortho-sulfuric acid
[化] 原硫酸
🧩 词语组成解析
原; 直
a. 硫磺的；含多量硫磺的；含（六价）硫的
🗣️ 情景例句
Right.
对。
Bread is the staff of life.
民以食为天。
The vicar has been asked to have the tree cut down, but so far he has refused.
人们曾请求教区的牧师叫人把树砍掉，但他直到现在也没有同意。