N-nonanoic acid
[建] 壬酸
🧩 词语组成解析
🗣️ 情景例句
It's true.
对。
We'll have to discuss about the total contract price.
我们不得不讨论一下合同的总价格问题。
I hope we can see each other again some time.
希望还能有相见的机会。