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
Hail to the victors valiant,
向勇敢的胜利者致敬，
False tongue will hardly speak truth.
虚伪者不肯说真话。
All the biscuits that were sent were carefully weighed.
凡送来的饼干都仔细地称量。