Lagrange function
[计] 拉格朗日函数
🧩 词语组成解析
[计] 拉格朗日
🗣️ 情景例句
I'm ... very proud of you.
我很……以你为荣。
My friend reads and writes several languages.
我的朋友能读并写好多种语言。
but I lacked for nothing, for he was both father and mother to me.
但我却什么都不缺，他既当父亲又当母亲。