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underpinunderpin英英釋意

      underpin

      英 [?nd?'p?n] 美[,?nd?'p?n]
      • vt. 鞏固;支持;從下面支撐;加強…的基礎(chǔ)

      英英釋意


      1. support from beneath
      2. support with evidence or authority or make more certain or confirm;
      "The stories and claims were born out by the evidence"