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来源:雅诚德英语网
When conditions are hot, the ostrich erects them on its back, thus increasing the thickness of the barrier between solar radiation and the skin.
当天气炎热时,鸵鸟会把它们背在背上,这样就增加了太阳辐射与皮肤之间的屏障厚度。
When conditions are hot, the ostrich erects them on its back, thus increasing the thickness of the barrier between solar radiation and the skin.
当天气炎热时,鸵鸟会把它们背在背上,这样就增加了太阳辐射与皮肤之间的屏障厚度。