If you think staying in bed on the weekends will make up for a weeks' worth of sleep deprivation, think again.

如果你认为周末待在床上可以弥补你一个星期所失去的睡眠，那么再考虑一下。

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Some people make a habit of reading their goals either when they first wake up or right before they go to bed.

有些人习惯于在一起床的时候，或者准备睡觉的时候看看他们的目标。

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Or you can have a pebble bed reactor which is a continuous flow of pebbles that go in and out of the reactor over time to make up the excess activity.

或者，你们能有一个球床实验反应堆，那是有球体不断的出入，反应堆，随着时间，用来补充剩余反应性。

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In the centre of Tafraoute, sheep make their way up a dry stream bed.

BBC: In search of a lost Moroccan oasis