1·Body temperature can fluctuate if you are ill.
如果你病了，体温会波动。
—— 《柯林斯英汉双解大词典》
2·While sleeping, their body temperature drops and their heartbeat slows down.
睡觉时，它们的体温下降，心跳减慢。
3·While sleeping, their body temperature drops and their heart beat slows down.
睡觉时，他们的体温下降，心跳减慢。
4·Like when you walk outside on a hot day, you perspire, and your body cools itself down, a classic example of how a mammal regulates its own body temperature.
比如，当你在炎热的天气在户外行走，你会出汗，你的身体会自我降温，这是哺乳动物如何调节自身体温的典型例子。
5·The part of the nose critical in controlling body temperature is smaller in the pug than in the normocephalic German Shepherd.
哈巴狗鼻子中控制体温的关键部位要比正常头型的德国牧羊犬小。