Betz's cell

例句：

1. 1.The cell is the basic unit of life, and its study is crucial to understanding biology.
   细胞是生命的基本单位，对其的研究对于理解生物学至关重要。
2. 2.The cell membrane is a barrier that separates the inside from the outside of the cell.
   细胞膜是一个分隔细胞内部和外部的屏障。
3. 3.Cell division is the process by which cells divide into two identical daughter cells.
   细胞分裂是细胞通过分裂成两个完全相同的子细胞的过程。