an intensely radioactive metallic element that occurs in minute amounts in uranium ores 同义词:Ra, atomic number 88,
百科解释
Radium is a chemical element with symbol?Ra and atomic number?88. Radium is an almost pure-white alkaline earth metal, but it readily oxidizes on exposure to air, becoming black in color.
详细百科解释
其他语种释义
radiumとは意味:{名} : 《元素》ラジウム、レイディアム◆【略】Ra Marie Curie won the Nobel Prize for her work with radium. マリー?キューリーはラジウムの研究でノーベル賞を受賞した。 -------------------------------------------------------------------------------- 【レベ...