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
Rolexes! Are you joking? That's far outside my price range!
劳力士？！别开玩笑了！那可远超过我的预算了。
Please give me a hand.
请帮我个忙。
Are there any houses in the picture?
画里面有房子吗？