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geologygeology英英釋意

      geology

      英 [d??'?l?d??] 美[d??'ɑl?d?i]
      • n. 地質(zhì)學(xué);地質(zhì)情況

      英英釋意


      1. a science that deals with the history of the earth as recorded in rocks