cell attribute

例句：

1. 1. Cells are the basic units of life on Earth.
   细胞是地球上生命的基本单位。
2. 2. The study of cells is essential for understanding human health.
   研究细胞对于理解人类健康至关重要。
3. 3. In order to survive in the harsh environment, cells have evolved various attributes.
   为了在恶劣的环境中生存，细胞已经进化出各种特性。