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
I'm with you there.
我和你想的一样。
If there were no clouds, we should not enjoy the sun.
吃得苦中苦，方知甜中甜。
Be careful!
注意！