作业帮企鹅 简介 英文
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企鹅 简介 英文
企鹅 简介 英文
企鹅 简介 英文
The penguin is bird outline penguin welwitschiales (Latin:Sphenisciformes) all kinds of intellectuals.Live mainly in the earth's equator,present known worldwide penguins were 18.Features for cannot fly,Born in the lower body feet,reason is erect posture,Between toes have webbed; The metatarsal line sex (the other birds to toe touchdown); Forelegs into fins shape,Feather short to reduce the friction and turbulence,Feather reserved a layer of air between to adiabatic.Back in black,white belly.Each kind of the main difference between the head and body size color type.
Features for cannot fly,Born in the lower body feet,reason is erect posture,Between toes have webbed; The metatarsal line sex (the other birds to toe the ground),Forelegs into fins shape,Feather short to reduce the friction and turbulence,Feather reserved a layer of air between to adiabatic.Back in black,white belly.Each kind of the main difference between the head and body size color type.
penguin