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


• V-ERG (使)变色;(使)褪色
  If somethingdiscoloursor if itis discolouredby 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。

双语例句

• The sky was a tumult of discoloured clouds.
  天空中乱纷纷地浮动着污浊的云。
• These murals have been discoloured with the passage of time.
  这些壁画已年久失色。
• 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。
• 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
• 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。
• 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。
• 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。
• Coffee stains discoloured her dress.
  咖啡的污迹使她的衣服变色了。
• 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。
• 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。