mitochondrial

例句：

1. 1. The mitochondria are responsible for producing energy in the cells.
   线粒体负责在细胞中产生能量。
2. 2. Mitochondria play a crucial role in cellular respiration.
   线粒体在细胞呼吸过程中起着至关重要的作用。
3. 3. The study of mitochondria has led to new insights into cellular metabolism.
   对线粒体的研究为理解细胞代谢提供了新的见解。