他俩在泉水旁又度过了一个漫长而又乏味的夜晚，这给他俩带来了转机，孩子们醒来时，饥饿难忍。

Another tedious wait at the spring and another long sleep brought changes. The children awoke tortured with a raging hunger.

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在饥饿折磨实在难忍时，想办法吃些相对来说量大而能量密度低的食物。

When hunger pangs become intolerable, try and assuage them with a relatively bulky food of low energy-density.

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许多节食计划失败的一个原因就人们饥饿难忍并放弃了，萨克斯这样说，他知道突然下降750卡的热量在他的研究里可能过于偏激。

One failure of most diet plans is that people get hungry and quit, says Sacks, who acknowledges that the sudden reduction of 750 calories in his study was perhaps too steep.

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