Abstract: A golf teaching method and a golf teaching system are provided. The golf teaching method includes: configuring image capturing devices and golf simulator to capture swing images and corresponding simulator data records, when a user performs a golf swing; configuring an expert model that includes expert motion information and corresponding correction suggestion information; configuring a computing device to perform an analysis process on the swing images and the simulator data records to divide the golf swing into user motions according to stages and obtaining records of user motion information corresponding to the plurality of stages, and to compare the user motion information with the corresponding expert motion information in each stage through the expert model, and to provide the corresponding correction suggestion information according to a comparison result; and configuring a user interface to provide the correction suggestion information.

Abstract: A drinking water fountain includes a control valve seat having an inside formed with a mounting hole, a screw member having a first end secured in the mounting hole of the control valve seat and a second end protruding outward from the mounting hole of the control valve seat, and a retractable positioning member pivotally mounted on the second end of the screw member. Thus, the control valve seat is mounted on the sink easily and conveniently, thereby facilitating a user mounting the drinking water fountain on the sink.

Abstract: A high-pressure water-spray device is used to clean the teeth and is formed of a faucet connector, and a rotary member rotatably fastened to the faucet connector and provided with a receiving slot for receiving rotatably a flow control valve, and a locating slot for rotatably positioning a spherical water-spray member. The locating slot is in communication with the receiving slot which is in turn in communication with the faucet connector via a water channel of the rotary member. The flow control valve is rotatably disposed in the receiving slot in conjunction with a confinement ring. The water-spray member is rotatably disposed in the locating slot in conjunction with a stop ring.