discoloured

英 [dɪsˈkʌləd] 美 [dɪsˈkʌlərd]

v.  (使)变色，退色
discolour的过去分词和过去式

过去分词：discoloured过去式：discoloured

BNC.20147

柯林斯词典

    in AM, use 美国英语用 discolor

  1. V-ERG (使)变色;(使)褪色
    If something discolours or if it is discoloured by something else, its original colour changes, so that it looks unattractive.
    1. A tooth which has been hit hard may discolour...
      受过重击的牙齿可能会变色。
    2. Some oil had seeped out, discolouring the grass.
      有些油渗出来了，把草地染得变了颜色。
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双语例句

  1. Sunlight had discoloured the bright red curtain.
    日照使这朱红（色的）窗帘褪了色。
  2. These murals have been discoloured with the passage of time.
    这些壁画已年久失色。
  3. Sunshine discoloured many materials.
    阳光使许多材料褪色。
  4. In half a minute he had reached the port scuppers, and picked, out of a coil of rope, a long knife, or rather a short dirk, discoloured to the hilt with blood.
    只有半分钟的工夫他已横越甲板爬到左舷的排水孔那里，从盘成一堆的绳子底下摸出一把长长的小刀，可以说是一把短剑，上面的血一直染到了刀柄上。
  5. Her father led the way, a corner of the bedding roll in his discoloured hands.
    父亲走在前面，变了颜色的手抓着行李的角角。
  6. Coffee stains discoloured her dress.
    咖啡的污迹使她的衣服变色了。
  7. The flywheel must be replaced if it is damaged or discoloured.
    如果表面损坏或脱色，则必须更换飞轮。
  8. Groans and convulsions, and a discoloured face, and friends weeping, and blacks, and obsequies, and the like, show death terrible.
    临终前的呻吟和抽搐，苍白的脸，亲友的哭泣，黑色和肃穆的葬仪，所有这些都显示死亡的恐怖。
  9. Sunlight had discoloured the bright red curtain. The color of the carpet will not fade over time.
    日照使这朱红（色的）窗帘褪了色。这地毯用久了也不会褪色。
  10. Corrosion can be identified by leads that are tarnished or discoloured instead of bright.
    如果导线失去光泽或变色而不再亮泽，则可以判断为已受腐蚀。
  11. Immediately above his head there hung three discoloured metal balls which looked as if they had once been gilded.
    他的头顶上面挂着三个褪了色的铁球，看上去以前曾经是镀过金的。
  12. She had ceased crying and only sobbed, wiping her red, discoloured face with the end of the kerchief on her head.
    她已经停止号哭，只是抽抽搭搭地呜咽着，用头巾梢儿擦着她那红块斑斑的脸。
  13. The sky was a tumult of discoloured clouds.
    天空中乱纷纷地浮动着污浊的云。
  14. The leads must be bright and no longer tarnished or discoloured.
    导线必须是亮泽的，不再无光泽或变色。
  15. Observation on clinical treatment of discoloured teeth by light-cured-resin following home bleaching
    软托盘脱色法、光固化树脂治疗变色牙的临床研究
  16. Copper and copper alloy wires are easily to be oxidized and discoloured during production, transportation and storage.
    铜及铜合金线在生产、贮存、运输过程中极易发生氧化及变色。
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