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ͼ���Ķ�:A rare albino Southern Right Whale c

A rare albino Southern Right Whale calf at West Australia's Flinder's Bay is seen in this handout photo obtained August 26, 2008. The calf, which is believed t

ʱ�䣺2008-09-06 �༭��echo

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ʱ�䣺2010-07-06 �༭��francie

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Chinese stores stop offering free plastic bagsA shopper puts groceries he bought in his own bag after stores in China stopped giving free plastic bags at a sup

ʱ�䣺2008-06-03 �༭��echo

ͼ���Ķ�:����������The Congo Basin

The Congo Basin, is the largest basin in the world, which runs through six Central African countries, contains the second largest contiguous rainforest in the

ʱ�䣺2008-03-20 �༭��echo