Phosphoranoic acid
[化] 正膦酸; 正膦单酸
🧩 词语组成解析
🗣️ 情景例句
Something old.
旧的东西。
Necessity (or Need) has (or knows) no law.
需要面前无法律。
No, thank you. Thanks for all your help.
不必了，谢谢。谢谢你帮了我大忙。