By functional group I mean an alcohol group or ketone group or aldehyde group or acid group.

官能团指醇醛。

Acetone has a ketone group and it's called 'acetone' because it was derived from acetic acid, which is vinegar, the most common carboxylic acid in your kitchen.

丙有一个，之所以称为“丙”，因为它从中提取的，厨房中最常见的羧。

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-羟丁虽说也体，但却不，因为它的团被还原成了羟。

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.

此后，肝把脂肪转化成体，比如乙酰乙、β-羟丁；乙酰乙一种，因为它有团和羧团。