It's Animal world 它的动物世界 ; 这是动物世界
Because it's fun to practice and good for health, Five Animal Exercises are becoming more and more popular in recent years, not only in China, but also in many other places of the world.
练五禽戏很有趣,且对健康有好处,近年来,五禽戏变得越来越受欢迎,不仅在中国如此,而且在世界许多其他地方也是如此。
(Chirping sound.) That may not sound like much - but it's the loudest animal in the world.
这鸣叫声听起来也许并不算什么,但它却是世界上声音最大的动物。
It dates back some 20 million years and is found only in the Yangtze. It's listed as one of the 12 most endangered animal species in the world.
它有2000万年的历史,只存在于长江之中,被列为全世界12种最濒危物种之一。
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