Ignoring feelings of tiredness knocks our body clocksout of kilter.
忽视疲劳感会打乱我们的生物钟。
《柯林斯英汉双解大词典》
2
One of the first water clocks was a basin with a small hole near the bottom through which the water dripped out.
最早的水钟之一是一个在底部附近有小洞的水盆,水从这个洞里滴出来。
3
Once known, it spread rapidly, driving out water clocks but not solar dials, which were needed to check the new machines against the timekeeper of last resort.