Dozens of animals have been cloned since that first lamb—mice, cats, cows and, most recently, a dog—and it's becoming increasingly clear that they are all, in one way or another, defective.

自从第一只羊被克隆以来，已经有几十种动物被克隆了，包括老鼠、猫、牛和最近的一只狗；而且越来越明显的是，这些动物都有这样或那样的缺陷。

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In fact some dog breeds’ heads vary in shape by more than the variation between cats and walruses.

事实上，有些品种的狗在颅骨形状上的变化已经比猫和海象种群中发生的变化还要大。

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Where there is more than one instance of the type to output -- in this case, where you have two cats but one dog -- you need to collect the hashes as an anonymous array of anonymous hashes.

在需要输出一个类型的多个实例的情况下 —— 在这个示例中，有两只猫和一只狗 —— 需要以匿名散列的匿名数组的形式收集散列。

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There are cartoonists whom we associate with dogs, like George Booth (who is also great at drawing cats), and cartoonists who delve into dog world only now and then, like Jack Ziegler and Michael Maslin.

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By selecting Pet-cat or Pet-dog modes, the camera will automatically detect cats or dogs and focus on their faces.

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London-based Battersea Dogs and Cats Home said it had 91 cases of people who could not afford to keep their dog or cat this year, compared to 42 in 2010.

BBC: Credit crunch 'prompts abandoned pets rise'