Abstract: A folding electronic device including a rotating module, a first body, and a second body. The first body and the second body are connected to the rotating module in a replaceable manner. By means of the rotating module, the second body is coupled to the first body.

Abstract: A coffee extracting method and ice cube with preventing flavor losing are provided. The method comprises the steps of extracting a concentrated coffee extract from the coffee powder by a coffee extracting machine, and then, placing the concentrated coffee extract under a low temperature environment to result the concentrated coffee extract being refrigerated as a solid state by cooling down rapidly, wherein the solid state can be as the concentrated coffee ice cube, such that the flavor of the concentrated coffee extract can be extended, as well as, the flavor losing can be prevented also for the concentrated coffee extract while being stored in the predetermined period.

Abstract: A folding electronic device including a rotating module, a first body, and a second body. The first body and the second body are connected to the rotating module in a replaceable manner. By means of the rotating module, the second body is coupled to the first body.