The earliest recorded weight-driven mechanical clock was built in 1283 in Bedfordshire in England.
有记载的最早的重量驱动机械钟是1283年在英国贝德福德郡建造的。
2
But you have a problem here and the clock is ticking so you will have to diet pretty hard to meet your target weight loss.
但是你有一个问题在这里和钟声已经响起,让您将不得不饮食很难满足您的目标体重下降。
3
Pendulum clocks showed the hours more exactly than earlier clocks, since the weight on the pendulum could be moved up or down to make the clock to go faster or slower.