最快、最大和最聪明的动物

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Do you know what the world's fastest animal is？ How about the world's largest or smartest animal？ Let's read about these interesting animals.

你知道世界上速度最快的动物是什么吗？世界上最大或最聪明的动物又有哪些呢？让我们一起来了解这些有趣的动物吧

You may know that the world's fastest animal is the cheetah.Cheetahs can run about 120 kilometres per hour. However， they can only run at that speed for about 60 seconds. When cheetahs are running at full speed， they spend more time in the air than on the ground.

你可能已经知道，世界上速度最快的动物是猎豹。（剩余1061字）