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indefinitelyindefinitely考試真題

      indefinitely

      英 [?n'def?n?tl?] 美[?n'd?f?n?tli]
      • adv. 不確定地,無限期地;模糊地,不明確地

      考試真題


      As long as we're consuming fossil fuels, we're putting out CO2,"says Klaus Lackner, a geophysicist at Columbia, University" We cannot let the CO2 in the atmosphere rise indefinitely.

      出自-2012年6月閱讀原文