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
My father always interferes with me.
我父亲经常干涉我的事。
Hey, you break it up!
喂，住手啦！
I felt very nervous when I went into his office.
我走进他的办公室，感到非常紧张。