Diazotic acid
[化] 重氮酸
🧩 词语组成解析
🗣️ 情景例句
How you all doing ?
你们大家怎么样？
Better deny at once than promise long.
轻诺必寡信。
The guest who arrives half an hour too soon is the greatest nuisance.
客人提前半小时到达是令人讨厌的。