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. spontaneous

      英 [sp?n'te?n??s] 美[spɑn'ten??s]
      • adj. 自發(fā)的;自然的;無(wú)意識(shí)的

      英英釋意


      1. happening or arising without apparent external cause;
      "spontaneous laughter"
      "spontaneous combustion"
      "a spontaneous abortion"
      2. said or done without having been planned or written in advance;
      "he made a few ad-lib remarks"
      3. produced without being planted or without human labor;
      "wild strawberries"