Like humans, cats and dogs are omnivores.

和人类一样，猫和狗是杂食性动物。

《柯林斯英汉双解大词典》

Ever since Dolly the sheep was cloned in 1997, Westhusin's phone has been ringing with people calling in hopes of duplicating their cats and dogs, cattle and horses.

自从1997年多利羊被克隆以来，威斯苏森的电话一直响个不停，人们打电话希望能复制他们的猫、狗、牛和马。

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Animals such as cats and dogs are active animals.

像猫，狗之类的动物是非常活跃的。

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The study also showed that Americans owned more than seventy-seven million dogs and more than ninety-three million cats.

VOA: special.2009.02.23

Some workers have brought non-native animals like dogs,cats,pigs and goats.

VOA: special.2009.12.16

Obama initially wanted to pay for the reduced payroll tax with a package of cats-and-dogs tax hikes.

FORBES: A Two-Month Payroll Tax Cut Is Dumb, And So Is How Congress Got There

For that, Mr. Obama has an answer: more spending, which would be made possible by ratcheting up the volume of revenue flowing into the spending machine via whatever cats-and-dogs tax increase he can get through Congress.

WSJ: Henninger: The Obamaian Universe

Humans have introduced dozens of species into Australia - including wild horses, pigs, goats, dogs, cats, rabbits and foxes - and these have now become a major problem for the ecosystem.

BBC: Australia, home to the world's largest camel herd