The dogs were fighting over a bone.

那些狗为了一块骨头而争斗。

《新英汉大辞典》

An excellent source of protein, quinoa isalso high in bone-boosting minerals like copper, phosphorous, iron, andmagnesium. Plus, it’s a good source of PMS-fighting manganese.

是蛋白质的很好来源，也可提供强健骨骼的铜、磷、铁、镁等多种微量元素，还含有防治经前综合征的锰。

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The thing is, at least I can''t get another injury now ? David Beckham looks on the bright side after a broken metatarsal bone leaves him fighting to be fit for the FIFA World Cup.

至少我现在不会再受伤了--因跖骨折断而不得不努力恢复以赶上世界杯的大卫-贝克汉姆如此看待伤病的光明一面。

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About 1, 400 people attended a memorial service for Cliburn, who died Wednesday at 78 after fighting bone cancer.

NPR: Van Cliburn Remembered As Gifted Pianist

"Gordon Brown and David Cameron are like two dogs fighting over the wrong bone, " he said.

BBC: Lib Dems 'providing hope' - Clegg

Ron has been fighting cancer since 2008, experiencing two expensive bone marrow transplants in the effort to save his life.

FORBES: Health Insurer Drops Cancer Suffering Vet- Two Cents Short On Premium Payment