Phostonic acid
[化] 烷基亚膦酸
🧩 词语组成解析
🗣️ 情景例句
The bridge is about three hundred and eighty-five feet long.
桥长约三百八十五英尺。
If you compare her work with his, you'll find hers is much better.
要是把他们俩的工作比较一下，你就会发现她的好得多。
Just relax.
放松一下。