Commutative group
[计] 交换群
🧩 词语组成解析
a. 交替的, 交换的\\n[法] 交换的, 代替的, 互相的
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
Could you put that into more specific terms?
您能不能说得明确一点？
To jump
跃，跃起
and realized that it was a sign that the child was growing up and developing valuable powers of observation and independent judgment,
并且意识到这象征着孩子们正在成熟和发展宝贵的观察力、独立判断力，