discolour是什么意思？

discolour

英[dɪsˈkʌlə(r)] 美[dɪsˈkʌlər]

• vt. 使变色，使褪色；
• vi. 变化，变色，褪色；
• n. 变色，褪色，污染；

第三人称单数：discolours;

过去式：discoloured;

过去分词：discoloured;

现在分词：discolouring;

例句

• Plastic tends to discolour with age. 塑料久而久之便会退色。
• A tooth which has been hit hard may discolour. 受过重击的牙齿可能会变色。
• Benzoyl peroxide can cause fabric to discolour on contact. Use with care. 过氧化苯可能导致织物脱色, 请小心使用.
• A tooth which has been hit hard may discolour... 受过重击的牙齿可能会变色。

柯林斯高阶英汉双解学习词典释义

• 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.
  例句
  A tooth which has been hit hard may discolour... 受过重击的牙齿可能会变色。 Some oil had seeped out, discolouring the grass. 有些油渗出来了，把草地染得变了颜色。

英汉词典释义

• vt.
  使变色,使褪色
  Spilt acid discoloured the floor. 泼出的酸弄得地板褪色。

英英词典释义

• Verb
  1. change color, often in an undesired manner;
  "The shirts discolored"