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. volcanic

      英 [v?l'k?n?k] 美[vɑl'k?n?k]
      • adj. 火山的;猛烈的;易突然發(fā)作的
      • n. 火山巖

      英英釋意


      1. relating to or produced by or consisting of volcanoes;
      "volcanic steam"
      "volcanic islands such as Iceland"
      "a volcanic cone is a conical mountain or hill built up of material from volcanic eruptions"
      2. explosively unstable;
      "a volcanic temper"
      3. igneous rock produced by eruption and solidified on or near the earth's surface; rhyolite or andesite or basalt;
      "volcanic rock includes the volcanic glass obsidian"