| 1. | Freckles are simply concentrations of melanin .
雀斑不过是高浓度的黑色素。 |
| 2. | The more melanin on thesurface the deeper the tan
生成的黑色素越多，晒得越深。 |
| 3. | As melanin encounters uv light , it turns brown
黑色素遭遇到紫外光后变成褐色。 |
| 4. | Melanin darkens the skin and is the cause of suntan
黑色素使皮肤变黑是人被晒黑的原因。 |
| 5. | When sunlight hits the skin , more melanin is produced
当阳光照到皮肤，会产生更多的黑色素。 |
| 6. | Vitamin c can dilute melanin and quickly whiten the skin
维c能淡化黑色素，令肌肤迅速增白。 |
| 7. | Cells in the human skin produce a substance called melanin
人类皮肤里的细胞产生一种物质叫黑色素。 |
| 8. | Mechanism of melanin synthesis in seed coat of brassica napus l
甘蓝型油菜种皮黑色素形成机理的研究 |
| 9. | Down - regulation of melanin synthesis by ramulus cinnamomi and its mechanism
中药桂枝抑制黑素生成的作用机理研究 |
| 10. | Accelerators stimulate melanin ' s rise to the surface of your skin
室内助黑产品能够刺激您皮肤表面黑色素的生成。 |
