reddenKK [ˋrɛdən] /ˈɹɛdən/發音動詞1臉紅、泛紅Her cheeks reddened when he mentioned the letter she wrote.他提到她寫的那封信時,她雙頰泛紅。2變紅、轉紅The maple leaves redden a little more each morning.楓葉每天早上都變得更紅一些。3使變紅、染紅The setting sun reddened the clouds above the harbor.夕陽把港口上方的雲染紅了。