1. V-T/V-I If something discolours or if it is discoloured by something else, its original colour changes, so that it looks unattractive. 褪色

Peas will discolour in contact with the acids in vinaigrette. 豌豆與香料酸接觸後會褪色。

2. discolouredADJ

Some of the prints were badly discoloured. 有一些照片已經(jīng)嚴(yán)重褪色。