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 would like to charge this.
我想用信用卡付账。
He irons sweaters every day.
他每天都烫衣服。
I respect your work.
我对你的工作表示敬意。