https://youtube.com/watch?v=8KBXna0u8Jk%3Frel%3D0

請用滑鼠拖曳撥動時針和分針、分針時針可連動，練習說出《現在幾點鐘?》。Please move the hour hand and/or minute hand of the clock with the mouse, then say what time it is.

http://plog.tc.edu.tw/gallery/2936/StillClock3.swf

感謝 陳榮坤老師 提供的鐘面練習器