Hypothermia is a more severe response to cold exposure that is defined as a significant drop in body core temperature.

低体温是由寒冷暴露引起的更加严重的反应。它的定义是身体核心温度的骤然下降。

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He takes temperature readings from the ice core to determine ocean/atmosphere heatflux (the passage from the cold ocean to the warm atmosphere).

他从冰芯上读取温度，确定海洋/大气的热负荷（从冰冷海洋到温暖大气的片段）。

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Our perception of cold may depend mostly on changes in skin temperature, which starts dropping first when we step outside. People feel cold well before their core temperatures dip, says Tikuisis.

Tikuisis说，我们对冷的感觉可能大多靠皮肤温度变化而感知，我们到户外就能

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The enormous heat generated by the radioactive fuel in the reactor core needs a constant flow of cold water.

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Their bodies are unable to self-regulate their core body temperature and we must be vigilant they are not too cold or too hot.

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Its 2.4GHz Core 2 Duo and full-size drive is way snappy -- the machine boots from cold to desktop in 26 seconds (granted, it's a clean install without any third party software installed).

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