A study reported last fall suggests that having a pet dog not only raises your spirits but may also have an effect on your eating habits.

去年秋天的一项研究表明，养一只宠物狗不仅能振奋你的精神状态，还可能影响你的饮食习惯。

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For old people, a dog is also a child when their real children have grown up and left.

对于老年人来说，当他们真正的孩子长大离开时，狗也能成为他们的孩子。

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Size and breed also influence the rate at which a dog ages.

体型和品种的不同也影响着狗的老化速度。

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Vick recently served eighteen months in federal prison for running a dog fighting operation in which he also killed dogs.

VOA: special.2009.08.01

And "Dog" Is also a morpheme, but not always because there are single morphemes and then there are words that are composed of many morphemes.

狗"也是一个语素,但词和语素并不总是相同,因为语素是独立的,但词却可以由很多语素组成

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I also got a dog by it being thrown into a car.

有人把狗扔进我的车里，我就这样有了一只狗。

大城市是否危险？ - SpeakingMax英语口语达人

Brown, who has eight previous convictions for offences including theft and shoplifting, also admitted owning a dog which caused injury in a private place in the attack on Mr Griggs and possession of cannabis.

BBC: St Leonards dog attacks owner Spencer Brown jailed

There are also plans for a dog charter.

BBC: Welshpool dog ban: Council in fouling clampdown

The brand also offers Arf, a dog-friendly programme, and Splash, an indoor or outdoor pool depending on the location.

BBC: The evolution of airport hotels: From staid to stylish