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鸵鸟把头埋进沙子里,是因为感到害怕吗?企鹅朝天上看时,会像多米诺骨牌一样一个接一个倒下吗?……更多的秘密将在下面一一破译!
Do ostriches bury their heads in the sand because they are scared? When penguins look up in the sky, will they fall like dominoes one by one?...... More secrets will be deciphered below!