When you have an event, the reactor is operating at full power, you blowdown the primary coolant which is hot, you start injecting emergency core cooling water which is cold.

当你进行的时候，反应堆就会用全部的动力，运行，你排放出初冷却剂，那是热的，你开始注入紧急核心冷却水，那是冷的。

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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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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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That purity arouses great passion in a certain core following, but it leaves Americans who are concerned about foreign policy and social issues cold.

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