中文字幕精品视频在线|中文字幕在线观看|亚洲v日本v欧美v在线播放|伊人网中文字幕

<nav id="3u6n6"></nav><samp id="3u6n6"><tr id="3u6n6"><track id="3u6n6"></track></tr></samp>
    <legend id="3u6n6"><fieldset id="3u6n6"></fieldset></legend>

      
      

    1. 首頁英語詞典RaRa英英釋意

      Ra

      [ra:]
      • abbr. 皇家學院(Royal Academy);隨機存取(Random Access);研究協(xié)會(Research Association);赤經(jīng)(Right Ascension)
      • n. (Ra)人名;(日)羅(姓);(緬)拉;(朝)羅

      英英釋意


      1. an intensely radioactive metallic element that occurs in minute amounts in uranium ores
      2. ancient hawk-headed Egyptian sun god; a universal creator