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英语翻译企鹅是鸟纲企鹅目所有种类的通称.主要生活在地球的南半球,目前已知全世界的企鹅共有十八种.特征为不能飞翔;脚生于身

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英语翻译
企鹅是鸟纲企鹅目所有种类的通称.主要生活在地球的南半球,目前已知全世界的企鹅共有十八种.特征为不能飞翔;脚生于身体最下部,故呈直立姿势;趾间有蹼;跖行性(其他鸟类以趾着地);前肢成鳍状;羽毛短,以减少摩擦和湍流;羽毛间存留一层空气,用以绝热.背部黑色,腹部白色.各个种的主要区别在于头部色型和个体大小.
Penguin is the generic term for all types of sphenisciformes. They live mainly in the southern hemisphere. There are eighteen already known types of penguins in the world. Their characteristics concluds: they can not fly; their feet are in the lowest part of the body so they have to keep upright posture; their toes are webbed; plantigrade (other birds use toes to stand on the ground); their forelimbs are flippers; feathers are short, in order to reduce friction and turbulence; between the feathers, there retained a layer of air for insulation. Their have black back and white belly. The main difference between the various types is in the color and type of head and the body size.
楼主,这里要用的单词绝对不是初一水平能达到的,不过没办法