Identity group
[计] 单位元素群
🧩 词语组成解析
identity
[ai'dentiti]
n. 身份;[逻]同一性;个性;[数]恒等（式）;
group
[ɡrup]
n. 组，团体;群，批;（雕塑等的）群像;（英美的）空军大队;
vt.& vi. 使成群，集合;
vt. 分类，归类;
🗣️ 情景例句
It was wet yesterday.
昨天下雨。
Why tell you?
没必要对你说。
The police were called in, but they could not arrest anyone,
警察被召来了，但他们却不能逮捕任何人，