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. undefined

      英 [?nd?'fa?nd] 美[,?nd?'fa?nd]
      • adj. 不明確的;未下定義的

      英英釋意


      1. not precisely limited, determined, or distinguished;
      "an undefined term"
      "undefined authority"
      "some undefined sense of excitement"
      "vague feelings of sadness"
      "a vague uneasiness"