身体吸收、转运、代谢、或分泌一种药物或其代谢物的速率。

Pharmacokinetics --- The rate at which the body absorbs, transports, metabolizes, or excretes a drug or its metabolites.

youdao

例如，不同身体类型的婴儿由于遗传会有不同的新陈代谢速率，所以消耗的卡路里也不一样。

For example, babies with different body types due to heredity have different metabolic rates, and therefore burn calories differently.

youdao