Pentahydroxy-acid
[化] 五羟基酸
🧩 词语组成解析
🗣️ 情景例句
How long will you keep the car?
这车你要用多久？
Learning is better than house and land.
学问是一生的财富。
I agree that it is a difficult situation.
我同意，这种情况很难办。