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thicknessthickness英英釋意

      thickness

      英 ['θ?kn?s] 美[?θ?kn?s]
      • n. 厚度;層;濃度;含混不清

      英英釋意


      1. the dimension through an object as opposed to its length or width
      2. used of a line or mark
      3. resistance to flow