Oxyproteic acid
[医] 氧蛋白酸[肽类]
🧩 词语组成解析
🗣️ 情景例句
It's all right with me
我没有问题。
A fool can ask more questions than seven wise men can answer.
一愚发问，七智结舌。
What kind of problem.
什么样的问题呢？