primary pigment cell

例句：

1. 1. The primarypigment cells in the skin are responsible for producing melanin, which gives our skin its color.
   皮肤中的初级色素细胞负责产生黑色素，这是使皮肤变色的原因。
2. 2.In the development of a new drug, scientists often study the primary pigment cells that produce it.
   在开发新药物的过程中，科学家经常研究产生它的初级色素细胞。
3. 3.The primary pigment cells in the eye are responsible for transmitting light signals to the brain.
   眼睛中的初级色素细胞负责将光信号传输到大脑。