on the clock意思是：在时钟上。

例句：

1、The luminous dial on the clock showed five minutes to seven.

夜光钟面显示时间为6点55分。

2、The car had 160,000 miles on the clock.

里程表显示此车已行驶了16万英里.

3、We got one minute left on the clock to finish this game.

比赛就要结束，我们只有一分钟了。

4、Study on the Clock Synchronization Based on FPGA in Power System.

基于FPGA的电力系统时钟同步技术实现

5、Keep an eye on the clock and allot appropriate time to each section.

保持对时钟分配适当的时候眼睛每个部分。

6、What time does it say on the clock in the square

看看广场上的钟几点了？

7、Research on the Clock Jitter Effects on the Performance of GPS Tracking.

采样时钟抖动对GPS信号跟踪性能影响研究

8、That's the time now on the clock.

这就是现在表上的时间。

9、There are twelve big numbers on the clock.

钟面上有十二个大的数字。

10、Nine fifty-two on the clock above the refrigerator.

冰箱上的钟已指到九点五十二分。