radium
柯林斯词典
1. N-UNCOUNT Radium is a radioactive element which is used in the treatment of cancer. 鐳
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radium /ˈreɪdɪəm/
剑桥词典
- a radioactive chemical element that is used in the treatment of some diseases , especially cancer
（尤指用於治療癌症的）鐳 返回 radium