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
Thanks. But I have a question.
谢谢。但我想问一下
I could only guess the number of people in the room.
我无法正确地猜测房间里面有多少人。
It's not like her to have missed two days of classes.
缺课两天不太象她的作风。