What you get to as a point where the Moon is whipping around the Earth at a rate of five revolutions a day or six revolutions a day.
得到的结果是月球围绕着地球急速旋转，速度达到每天5圈或6圈。
英语百科
Revolution Day
Revolution Day or the Day of the Revolution refers to public holidays or remembrance days in various country held in commemoration of an important event in the country's history, usually the starting point or a turning point in a revolution that led to significant political change.