radium
柯林斯詞典
1. N-UNCOUNT Radium is a radioactive element which is used in the treatment of cancer. 鐳
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radium /?re?d??m/
劍橋詞典
- a radioactive chemical element that is used in the treatment of some diseases , especially cancer
（尤指用于治療癌癥的）鐳 返回 radium