英语数学单词1.12：00 2.6：40 3.8;50 4.11:05 5.6;30 6.11:45 7.9;15 8.

12：00 twelve noon
6：40 six forty / twenty to seven
8;50 eight fifty / ten to nine
11:05 eleven o five / five past eleven
6;30 six thirty / half past six
11:45 eleven forty five / fifteen to twelve
9;15 nine fifteen / fifteen past nine / quarter past nine
10;10 ten ten