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
thank you very much.
十分感激你。
It is said it will clear up tonight.
天气预报说今晚雨就会停。
Yes, that is the best we can do.
是的，这是我们的最低价了。