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 material is this made from?
这是什么材料做的？
Gossiping and lying go together.
流言常和谎话并行。
Be careful!
小心点！别摔了！