the state of being rich in something, such as colour, minerals or interesting qualities 丰富;富饶;浓烈 the richness and variety of marine life 海洋生物的丰富多样 This new colour will add warmth and richness to your natural hair shade. 这种新的颜色将为你的自然发色增添温暖和丰富。 the richness of his singing voice 他丰富的歌声