animals and plants have to be ready to make the most of it. 所有动植物都必须 做好准备尽量地利用它们
but the animals have another way of keeping cool. 不过动物也有其它保持凉爽的方法
But for the majority of desert animals 但是对于大多数沙漠动物来说
Few animals can survive these extreme changes. 只有少许动物能适应 这种极端的气候变化
troglodytes, animals that never emerge from the caves or see daylight. 穴居动物——从不出洞并且 永远不见天日的动物
making it a particularly difficult place for animals to live. 对动物而言是极为困难的生境
All these animals spend their entire lives within the cave. 所有这些动物都在洞穴内度过一生
allows some animals to gather there in huge numbers. 使得大批动物到此聚集
Here, live some of the strangest and least-known animals on the planet. 这里住着一些地球上最奇异 和最鲜为人知的动物
Each year nearly two million animals migrate across the Serengeti plains 每年都会有将近200万只角马 横越塞伦盖蒂平原