prime focus cell

例句：

1. 1.The research on the prime focus cell is still in its early stages.
   关于主要焦点细胞的研究仍处于初级阶段。
2. 2. The study of the prime focus cell has important implications for understanding cellular function.
   对主要焦点细胞的研究对于理解细胞功能具有重要意义。
3. 3. In this study, we focused on the prime focus cells in the brain.
   在这项研究中，我们专注于大脑中的主导焦点细胞。