clock on

• Our factory operates round the clock on three shifts .
  我们厂日夜三班倒。
• They placed very stable and accurate atomic clocks on regularly scheduled jet airliners .
  他们将非常稳定、准确的原子钟装在定期飞行的喷气式班机上。
• In a twinkling , the clock on the wall struck nine
  转瞬间，墙上的钟敲九点了。
• He gets up at six o ' clock on time everyday morning
  他每天早上准六点起床。
• Answer ： check the system clock on the user ' s computer
  答：检查用户电脑上的系统时钟。
• 57 let ' s make it 10 o ' clock on friday morning
  那咱们定好星期五早上10 : 00
• I could hear the clock on the wall ticking
  我听得见墙上的钟在滴答地响。
• Now i ask you , what keeps this clock on time
  我告诉你，谁令这钟准时？
• John finished work at 8 o ' clock on monday
  在星期一约翰完成了工作8时。
• The clock on the wall said a quarter to ten
  墙上的挂钟指着九点三刻。