8:21,5:35.6:15,2:45,10:05,4:30,8:27,11:30,7:10,12:50,3:20,6:

8:21,5:35.6:15,2:45,10:05,4:30,8:27,11:30,7:10,12:50,3:20,6:07,12:00,4:27,12:56这些时间的英文咋写两种表达方式