In both groups, brain functions decrease day by day. almost linearly, with no sign of leveling off, scientists have dubbed this cumulative effect as "sleep Dept", So, can we recover from it?

两组实验者的大脑功能日渐减退，其趋势呈直线下降没有稳定的趋势。研究者将这种累积效应称为“睡眠负债”。那么我们能从中恢复吗？

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As a source of a new energy, wave power generation is paid much attention by more countries while the decrease of the amount of the energy day by day.

随着世界能源日趋紧张，波浪发电作为一种新能源的来源，受到世界各国的重视。

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The researchers determined that kids who attend day care and play groups decrease their risk of developing the most common type of childhood leukemia by 30 percent.

CNN: Day care decreases leukemia risk