In ketosis, ketones produced by lipid metabolism accumulate in the blood and urine in abnormal amounts, usually because of starvation or a metabolic disease such as diabetes mellitus.

• 在酮症中，类脂化合物代谢所产生的酮过多地积聚在血液和尿里，通常是由饥饿或糖尿病这类代谢疾病造成的。