Phosphonous acid
[化] 亚膦酸
🧩 词语组成解析
🗣️ 情景例句
Good idea.
好主意。
There's no such thing as a free lunch.
天下没有白吃的午餐。
We would be glad to start business with you.
我们很高兴能与贵公司建立贸易往来。