Phostonic acid
[化] 烷基亚膦酸
🧩 词语组成解析
🗣️ 情景例句
How about the price list? Does it have a guarantee to go with it?
价格表呢？有没有附保证书呢？
May I have a little more?
我能多要一些吗？
OK. While you're doing that I'll go and get some water.
好的。你系小树，我去弄点水来。