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

• 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。
• 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。
• Sunlight had discoloured the bright red curtain.
  日照使这朱红（色的）窗帘褪了色。
• Coffee stains discoloured her dress.
  咖啡的污迹使她的衣服变色了。
• 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。
• 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。
• These murals have been discoloured with the passage of time.
  这些壁画已年久失色。
• 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。
• 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。
• 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