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★在大连森林动物园里,有只名叫梦龙的小北极熊正在茁壮成长。它是国内首只由人工育幼的北极熊,备受社会各界的关注。想当初,若不是孙贵
★ In Dalian Forest Zoo, there is a small polar bear named Menglong is thriving. It is the first domestic polar bear by artificial breeding, much attention of all sectors of society. At first, if not expensive