Phosphonic
a. 膦的, 膦酸的
🗣️ 情景例句
People who don't smoke think that cigarettes stink.
不吸烟的人认为烟的味道很差。
People greet one another with Happy New Year.
人们相互祝福“新年好”。
Just pencil in the changes and we'll retype it.
修改的地方请用铅笔，我们会重打。