Scientists have discovered that an annual event when Emperor penguins completely shed and regrow their feathers is putting the birds in peril as Antarctica is transformed by a warming world.
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另一款前脸则通过熏黑饰板将上下格栅相连，形成大尺寸的「V」形熏黑格栅，运动气息更加浓厚。
Archaeologists have been stunned to discover two of the rarest Iron Age objects in the same excavation.
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