radium
/'reidiәm/
基础词汇
词频: #30,174中文释义
n. 镭
[化] 镭Ra
英文释义
n. an intensely radioactive metallic element that occurs in minute amounts in uranium ores
n. 镭
[化] 镭Ra
n. an intensely radioactive metallic element that occurs in minute amounts in uranium ores