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requiredrequired英英釋意

      required

      英 [r?'kwa??d] 美[r?'kwa?rd]
      • adj. 必需的;(美)必修的
      • v. 需要(require的過去式及過去分詞形式);要求

      英英釋意


      1. necessary for relief or supply;
      "provided them with all things needful"
      2. required by rule;
      "in most schools physical education are compulsory"
      "attendance is mandatory"
      "required reading"