Calcium group
[医] 钙族
🧩 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
Get to the heart of the matter.
请讲问题的实质。
What's your name?
你叫什么名字？
I have known very few writers, but those I have known,
我所认识的作家寥寥无几，然而凡是我所认识