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. rust

      英 [r?st] 美[r?st]
      • n. 銹;生銹;[植保] 銹病
      • vt. 使生銹;腐蝕
      • vi. 生銹;成鐵銹色;變遲鈍
      • n. (Rust)人名;(英)拉斯特;(德、捷、瑞典)魯斯特;(法)呂斯特

      英英釋意


      1. a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
      2. a reddish-brown discoloration of leaves and stems caused by a rust fungus
      3. the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
      4. any of various fungi causing rust disease in plants