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要简单的雁的介绍英语的长点的英语单词简单

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要简单的雁的介绍 英语的
长点的 英语单词简单
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答案和解析
Wild goose is a bird with a wide range in the Old World.It is the type species of the genus Anser.This species is the ancestor of domesticated geese in Europe and North America.Flocks of feral birds derived from domesticated birds are widespread.
The geese are migratory,moving south or west in winter,but Scottish breeders,some other populations in northwestern Europe,and feral flocks are largely resident.This species is one of the last to migrate,and the "lag" portion of its name is said to derive from this lagging behind other geese.