In fact the temperature of a healthy body is so variable that there is no single normal temperature, even for an individual. 事实上健康的体温是总是变化着的，没有保持不变的标准温度，即使是对单独个体也是如此。
A child lied down on the bed because his body temperature aboved the regulars. 一个孩子躺在床上，因为他的体温超过了正常温度。
When winter comes, honeybees form a ball deep in their hive to regulate the hive temperature. 当冬季来临时，蜜蜂们会在蜂箱的深处抱成一个球来维持巢里的正常温度。
