n. 钙
calcium oxide 氧化钙; 生石灰
calcium compound 钙化合物
Build a tank for keeping calcium oxide. 保存氧化钙/生石灰
Another team at Nagoya University in Japan has tested calcium compound as an energy storage material. 检测钙化合物
BrE /əˌbriːviˈeɪʃn/
NAmE /əˌbriːviˈeɪʃn/