Group theory
[计] 群论
🧩 词语组成解析
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
That's important for us.
这对我们很重要。
Did you go to the theater this morning?
你今早去戏院了吗？
unless the parents themselves have been unsatisfactory,
除非父母自身不能令人满意，