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
You would be well-advised to book in advance.
你还是提前预订较为稳妥。
Happy is he that is happy in childhood.
童年时代快乐的人是幸福的。
Hello, Betty. When are you going off to Guangzhou?
你好，贝蒂。你什么时候去广州？