They have come to that conclusion by drawing on data from a 15-year experiment conducted by Purina, an American dog-food company.

该科研组在充分分析由美国一家宠物食品公司(普迪纳)所进行的为期15年试验结果之后, 他们得了上述的肯定答案.

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United Airlines has apologized for mistakenly shipping an American family's pet dog thousands of miles in the wrong direction to Japan.

美国联合航空公司错将一家美国人的宠物狗运到了数千英里外错误方向的日本，该公司已为此事道歉。

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He defined his American dream as "a house, a dog, a couple rifles, a bass boat".

他把他的美国梦定义为：“一幢房，一只狗，两杆来福枪，一条钓渔船。”

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The Westminster Kennel Club was the first member of the pure breed dog registry group, The American Kennel Club.

VOA: special.2009.02.23

It shows a dog jumping up high in the living room of an average American home.

VOA: special.2009.11.20

Turkey is also used instead of beef to make the traditional American hot dog.

VOA: special.2010.05.28

Take Greatest American Dog: This summer's newcomer only garnered an average 7.1 million viewers, according to Nielsen Media Research.

FORBES: For CBS, Reality Bites

After early success in the reality realm with unscripted series like Survivor, CBS ' latest offerings include failures like Kid Nation and Great American Dog.

FORBES: Magazine Article

American Dog Trainers' Network site offers up several thorough articles on topics ranging from curbing aggression in dogs, to selecting a dog trainer, to realistic tips for training Rex.

CNN: Site-Seer: Fetching an obedient dog from the Web