Beta hydroxybutyric acid on the other hand, even though it's still one of the ketone bodies, isn't technically a ketoacid since its ketone group has been reduced to a hydroxyl group.

而β-羟基说也是酮体，但却不是酮，因为的酮基团被还原成了羟基。

After that happens, the liver turns the fatty acids into ketone bodies, like acetoacetic acid and beta hydroxybutyric acid; acetoacetic acid is a ketoacid because it has a ketone group and a carboxylic acid group.

，肝把脂肪转化成酮体，比如乙酰乙、β-羟基；乙酰乙是一种酮，因为有酮基团和羧基团。