Essentially, heat acclimation decreases the effects of dehydration on the body — a primary risk factor for heat illnesses.

热适应还能帮助较少身体脱水——热疾病的风险因素——的发生。

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More significant dehydration comes with an increased risk of heat-related illness such as heat stroke.

缺水的更大危害是会增加与温度有关的病症的风险，比如中暑。

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In scorching heat, some people have died of sunstroke and dehydration.

炙热的高温使有些人因中暑脱水而死亡。

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It was the second title of the year for Mickelson, who had been treated for heat exhaustion and dehydration before carding a last day 69 for a 19-under total of 269.

CNN: Mickelson battles to second win of 2009

Signs of dehydration include fatigue, flushed skin, heat intolerance, light-headedness and dark colored urine.

FORBES: Death from Dehydration