Additive group
[计] 加法群
🧩 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
We had a summer house on Fire Island.
我们在火岛有一所避暑别墅。
She doesn't come as ofter as she used to.
她现在已经不像以前那样常来了。
I'm afraid I can't do that right now. the manager isn't here.
恐怕我现在不能退钱给你。经理不在这里。