Nitrogen group
[医] 氮族
🧩 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
What did you order?
您点了什么？
The post office is up there on the left, You can't miss it.
那邮局就在那儿靠左边，很好找。
I wrote: Best wishes for Teachers' Day!
我写道：“谨致以教师节的良好祝愿！”