ratite

but the ratite family, from large ostriches to small kiwis, were thought to be the exception to this rule.

但大至鸵鸟小至几维鸟的走鸟家族却被认为是例外。

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development and use of ratite grease

平胸类鸟油的开发与利用

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a ratite bird order: flightless ground birds having vestigial wings and long bills and small eyes: kiwis.

一种平胸鸟目；小眼睛长嘴且翅膀已退化的不会飞的鸟类几维。

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a ratite bird order: birds intermediate in characteristics between ostriches and emus: recent and extinct rheas .

平胸类鸟目之一；介于鸵鸟与鸸鹋之间；近来灭绝的美洲鸵。

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a ratite bird order: ostriches and related extinct birds; known from the pleistocene onward.

平胸鸟目之一；鸵鸟及与其有关的现已灭绝的鸟类；生活于洪积世以前。

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a ratite bird, such as the ostrich or emu.

平胸鸟平胸鸟，如鸵鸟和鹤鸵

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heavy-bodied small-winged south american game bird resembling a gallinaceous bird but related to the ratite birds.

南美体重翼小的猎鸟，形似鹌鹑但与平胸鸟有亲缘。

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a ratite bird order: recently extinct flightless birds of new zealand.

平胸鸟目；产于新西兰最近灭绝的不会飞的鸟类。

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