Point group
[计] 点群\\n[化] 点群
🧩 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
She does the housework, is that right?
她专门干家务，对吗？
Don't forget to put stamps on the letter.
不要忘记在信封上贴邮票。
And because I was deaf, I could not learn to speak.
因为我耳聋，我不能学说话。