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汉语拼音：rè liàng

传热过程中能量的改变量。如在热传导过程中，高温物体的内能向低温物体转移，通常便称高温物体减少的内能为高温物体放出的热量，低温物体增加的内能为低温物体吸收的热量。单位为焦耳。

1. 温度高的物体把能量传递到温度低的物体上，所传递的能量叫做热量。通常亦指热能的多少，单位是卡。

• Mice gained more weight eating cooked food than raw food, indicating that preparing the food gives it a higher effective energy value.

  老鼠吃煮熟的食物比要生吃时体重增长的多。这表明食物准备过程会产生更高的热量。

• It means that more heat energy tends to be trapped in the atmosphere causing the global temperature to go up.

  这就意味着更多的热量被困在大气层中，从而引起全球气温上升。

• Molecular hydrogen (H2) radiated the heat out of the clouds, so we need to know how much H2 was in the cloud.

  氢分子（H2）在初生云周围散射热量，因此我们要知道在初生云中氢分子的数量。

• I 'm a without expression, A heart with no beat . Without you by my side , I 'm just a flame without the heat .

  一颗停止跳动的心；没有你在我身边；我只是一束没有热量的火焰。

• I knew the sky was black because all the heat, which meant light to me, had died out of the air.

  顿时一变过来的树，我知道天空是黑色的，因为所有的热量，这意味着我的光，死于空气。

• It also creates a barrier between the water and the atmosphere, reducing the amount of heat that escapes from the sea into the air.

  其次，浮冰也构成了海水和大气之间的蔽障，减少了从海洋中逸入空气的热量。

• This low-calorie-provoked increase in longevity occurs in many organisms and seems to be an ancient survival strategy.

  这种由低热量引起的长寿现象在许多动物中都存在，似乎是一种古老的生存策略。

• Laughing Johannah followed Kaleb out the door into the warm air, basking in the heat of the early morning sun.

  笑约翰纳卡莱布出了门之后到温暖的空气，在清晨的太阳热量晒太阳。

• In radiation, the heat passes directly through space in the form of photons, tiny packets of energy travelling at the speed of light.

  热量以光子的形式直接穿过空间进行传导，这种微小的能量包以光速传导。