You're at greater risk for a pulled muscle when running in the cold, so warm up slowly and run easy on very cold days.

你在冷天里跑步更有可能拉伤肌肉，所以慢慢暖身，和适当的慢跑。

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From this point of view then, the reason why you sneeze when you have a cold is that your cold the cold virus is using your body as a tool to replicate itself.

从这个角度看，感冒时打喷嚏是因为，感冒病毒用你的身体繁衍后代。

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When the heat from the foot is applied on the top side of the ceramic wafer and cold is applied on the opposite side, from the cold of the ground, electricity is generated.

当脚部的热量作用于上层陶瓷薄片，较冷的地面作用于下层的陶瓷片时，电就产生了。

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When melting snow crystals or raindrops fall through very cold air, they freeze to form small particles of ice,called sleet.

VOA: special.2010.01.05

You can feel something cooling off right. I mean simple examples of these happen when you you know, if you buy cold or hot packs.

可以立即反应的东西,你可以感到有的东西会冷却，对吧？,我是说，举个简单的例子。

麻省理工公开课 - 热力学与动力学课程节选

When something hot, it's got a higher temperature than when something is cold.

当某样东西是热的时，它的温度,比冷的东西要高。

麻省理工公开课 - 热力学与动力学课程节选

Given the different contractions of the two different metals as a result of the cold, when it gets cold enough iron cannonballs will fall off a brass monkey.

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It is alright when it is warm, but gives your gums a good exercise when cold.

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However, all of these trends began to break down when the Cold War ended.

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