For example, the ostrich has plumage that is so constructed that the feathers are long but not too dense.

例如，鸵鸟的羽毛构造使它的羽毛长而不密。

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Emu is a large Australian flightless bird, similar to the ostrich but with three-toed feet and grey or brown plumage.

鸸鹋是一种大型的澳大利亚不会飞的鸟，类似于鸵鸟，但是有三趾的脚和灰色或棕色的羽毛。

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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。

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And finally, the ostrich, an animal that still makes no sense to me.

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"The ostrich policy can only work for so long: postponing payment of a bill will not make it go away, " he argued.

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Aloe vera and emu oil, extracted from the fat on the backs of the ostrich-like birds, have been used as soothing anti-inflammatory agents for years.

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