Moo，moo

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导读：Moo, moo! 　　Look at the big cow. 　　Oink, oink! 　　Look at the big pig. 　　Bow-wow! 　　Look at the big dog. 　　Moo,moo! Oink, oink!Bow-wow! 　　Moo, moo! 　　Look at the big cow. 　　Oink, oink! 　　Look at the big pig. 　　Bow-wow! Look at the big dog. 　　Moo,moo! Oink, oink!Bow-wow!