Phosphonous acid
[化] 亚膦酸
🧩 词语组成解析
🗣️ 情景例句
and this wonderful weather.
和这种美好的天气吧。
How many dozen are you going to take?
你要拿几打？
No wonder people say that computers are taking over the world.
难怪有人说电子计算机正渐渐接管世界。