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
What will the monthly payments be?
每月要付多少？
I ask him to do the housework now.
我要求他现在做家务。
I'm mending a clock.
我在修表。