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
I just took the wrong train.
只是我坐错了车。
I can't do it by myself.
我一个人哪做得完啊！
I'm all set.
我都准备好了。