| 释义 |
色素sèsù使有机体具有各种不同颜色的物质,如红花具有的红色素,紫花具有的紫色素等。某些色素在生理过程中起很重要的作用,如血液中的血色素能输送氧气,植物体中的绿色素能进行光合作用。{pigment; substance, such as haematochrome in red flowers and purpurin in purple flowers, that renders a characteristic colour in plant or animal tissue. Some pigments play a major role in the physiological process, such as haemachrome that can transmit oxygen in the blood, and chlorophyll that is responsible for photosynthesis in a plant.} |