Changing the clocks, however, does not actually increase the amount of driving done in the dark, so it is unlikely to have any effect on Benovia's automobile accident rate.
然而，改变时钟实际上并不会增加在黑暗中驾驶的时间，所以它不太可能对 Benovia 的交通事故率有任何影响。
In reindeer, even if they're missing a circadian clock, melatonin levels still spike when it's dark and drop when it's light, making the equinoxes an ideal time to synchronize their annual clocks.
而驯鹿呢，虽然它们没有昼夜节律钟，其褪黑激素水平仍然会在黑暗的时候上升，光亮的时候下降，从而使它们的昼夜分点达到理想状态，进而与年生物钟同步。
Scientists have known for a long time that the light of day and the dark of night play important roles in setting our internal clocks.
科学家们很久以前就发现，昼夜光线的变化对于设置生物钟起着重要的作用。
In the United states, during the summer, some areas use Daylight Savings Time. In these states, people set their clocks forward one hour so that they can enjoy a longer evening before it gets dark.
在美国，夏季一些地方用夏令时，在这些州，人们把时间向前调1个小时，这样他们可以在天黑之前享受更长的黄昏。
In the United states, during the summer, some areas use Daylight Savings Time. In these states, people set their clocks forward one hour so that they can enjoy a longer evening before it gets dark.
在美国，夏季一些地方用夏令时，在这些州，人们把时间向前调1个小时，这样他们可以在天黑之前享受更长的黄昏。
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