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
Tomorrow.
明天。
An honest man's word is as good as his bond.
诚实人的话像他的契约一样靠得住。
When it was eventually brought to shore, it was found to be over thirteen feet long.
当终于把它弄上岸后，人们发现它身长超过了13英尺。