melano-

例句：

1. 1. Melanocytes are responsible for producing melanin in the skin.
   黑色素细胞负责在皮肤中产生黑色素。
2. 2.The melanocytes play a crucial role in the development of pigment cells.
   黑色素细胞在色素细胞的发展中起着关键作用。
3. 3.Melanoma is a type of skin cancer that often begins with the formation of melanocytes.
   黑色素瘤是一种常见的皮肤癌，通常始于黑色素细胞的形成。