ketonic form

例句：

1. 1. The ketone in the diet can help to lower blood sugar levels.
   饮食中的酮可以有助于降低血糖水平。
2. 2.Ketones are often used as fuel sources for athletes during long-distance running.
   在长距离跑步期间，酮常被用作运动员的燃料来源。
3. 3.Ketones have been shown to improve cognitive function in certain conditions.
   研究表明，酮可以提高某些情况下的认知功能。