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
I hope you're enjoying your stay here.
我希望你在这里过得愉快。
Wash a dog, comb a dog, Still a dog, remains a dog.
本性难移。
Bottoms up!
干杯（见底）！