柯林斯词典whiten /ˈwaɪtən/ (whitening,whitened,whitens) 1. V-T/V-I When something whitens or when you whiten it, it becomes whiter or paler in colour. 變白; 使變白 Her knuckles whiten as she clenches her hands harder. 她的手握得越來越緊,指節都變白了。 ...toothpastes that whiten teeth. ...增白牙膏。 返回 whitening剑桥词典a substance that you put on sports shoes to make them whiter and cleaner (塗在白色球鞋上的)白色鞋粉 返回 whitening