discoloured形容詞1變色的、褪色的、泛黃的英式拼法,美式作 discoloredThe old book had discoloured pages and a cracked spine.那本舊書的書頁泛黃,書背也裂開了。2變黑的、瘀青的指皮膚、牙齒Her ankle was swollen and badly discoloured after the fall.她摔倒後腳踝腫起來,而且瘀得很嚴重。動詞1變色、褪色discolour 的過去式與過去分詞The white tiles discoloured after years of heavy use.這些白色磁磚用了多年後就變色了。2使變色、使染色、弄髒及物Strong coffee has discoloured the inside of the mug.濃咖啡把馬克杯內側染色了。