mitochondrion
🇺🇸
/ˌmaɪtəʊˈkɑːndriən/
🇬🇧
/ˌmaɪtəʊˈkɒndriən/
A tiny part inside cells that helps make energy from food.
The mitochondrion is often called the powerhouse of the cell because it produces energy.
线粒体常被称为细胞的动力源,因为它产生能量。