Over the past three years, Campbell has taught himself how to make animal toys for children in the hospital.

在过去的三年里，坎贝尔自学了如何为医院里的孩子们制作动物玩具。

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For example, Peter Sheldon' s studies of trilobites, a now extinct marine animal with a segmented body, offer a detailed glimpse into three million years of evolution in one marine environment.

例如，彼得·谢尔登对于三叶虫的研究，那是一种已灭绝的身体分节的海洋生物，他的研究让我们得以一窥三百万年以来一个海洋环境的进化过程。

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In response, mop.com launched an online campaign against animal abuse, setting up three QQ groups and deleting all its crush videos.

作为回应，猫扑发起了反对动物滥杀的在线行动，设立了三个QQ群，并且删除了所有碾压视频。

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Three were plant-eaters. They were the western horse, the ancient bison and a two-meter tall animal called the Harlan's ground sloth.

VOA: special.2010.04.07

Ray Romano,John Leguizamo and Dennis Leary return as the voices of the three main animal characters.

VOA: special.2009.06.12

The album's story arc follows three animal travelers Buddy Red Cat, Reverend Tom Toad and Lefty Mouse on a journey into the American landscape.

NPR: A Dustbowl Lament from an American Chameleon

The three animal species listed have been dwindling in numbers.

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Then, in December, the European Court of Justice agreed to review a complaint from three French animal-rights campaigners, backed by the European Commission on Human Rights, who say that the French law letting shooters on to smallholders' land violates property rights and freedom of association because it forces people to become de facto members of the local field-sports association.

ECONOMIST: France��s angry countrymen