Phosphoranetetroic acid
[化] 正膦四酸
🧩 词语组成解析
🗣️ 情景例句
That's the recreation center and restaurant.
那是娱乐中心和餐馆。
Fair and softly go far in a day.
谦和稳重，前程远大。
What colour is it?
什么颜色的？