Lagrange's identity
[计] 拉格朗日恒等式
🧩 词语组成解析
identity
[ai'dentiti]
n. 身份;[逻]同一性;个性;[数]恒等（式）;
🗣️ 情景例句
It's nothing.
没什么。
Which one is easier?
哪一个是较简单的？
I'm eating some meat.
我在吃肉。