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
Tom, would you give Mr. Johnson Tom
拿给Johnson先生
Talk about it next time.
下次再聊。
Good heavens! There you are!
哎呀！你们才回来！