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secondarysecondary英英釋意

      secondary

      英 ['sek(?)nd(?)r?] 美['s?k?nd?ri]
      • adj. 第二的;中等的;次要的;中級(jí)的
      • n. 副手;代理人

      英英釋意


      1. the defensive football players who line up behind the linemen
      2. coil such that current is induced in it by passing a current through the primary coil