Identity function
[计] 恒等函数, \是\函数
🧩 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
You need some rest to help you get better quickly.
需要多休息， 好让你很快恢复。
I remember the girl whose father earns $ 140000 a year.
我记得那个女孩的父亲一年赚十五万元。
Good, we'll be ordering in just a few days.
很好，两三天内我们就会下订单。