Phosphonous acid
[化] 亚膦酸
🧩 词语组成解析
🗣️ 情景例句
You have to expect the unexpected in Shanghai.
在上海，你总会有意想不到的收获。
Why so pissed off? Someone got in your way?
干嘛发火，谁惹你啦?
An hour later.
一小时以后。