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
Of course, it was a small house,
当然， 那是一栋小房子，
Genius often betrays itself into great errors.
天才常被天才误。
We can have our coffee there.
我们可以在那里喝咖啡。