代谢

例句：

1. 1. Metabolism is the process by which an organism uses energy from its food to produce new cells and other molecules.
   代谢是生物体利用食物中的能源来产生新细胞和其他分子的过程。
2. 2. The human body has several metabolic processes that help it maintain homeostasis.
   人体有几种代谢过程，帮助它维持稳态。
3. 3. Metabolic acidosis is a condition in which the blood contains more acid than normal, due to anincreased rate of metabolism.
   代谢性酸中毒是一种状况，由于代谢速率增加，血液中的酸性物质含量超过正常水平。