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poliopolio英英釋意

      polio

      英 ['p??l???] 美['pol?o]
      • n. 小兒麻痹癥(等于poliomyelitis);脊髓灰質(zhì)炎

      英英釋意


      1. an acute viral disease marked by inflammation of nerve cells of the brain stem and spinal cord