Hippos are pachyderms, and so are elephants.

河马属于厚皮动物，大象也是。

Pachyderms often choose to maintain a symbiotic relationship with a particular bird.

厚皮动物通常都会选择与某种鸟类保持共生关系。

This pachyderm is very aggressive.

这种厚皮动物富有攻击性。

The elephant is a type of pachyderm.

大象是一种厚皮动物

How do you keep a pachyderm out of your garden?

怎样才能让大象远离你家的花园？

Because who doesn't love a pachyderm and a happy ending?

推荐理由：谁不喜欢厚皮类动物和美好的结局呢？

The now retired pachyderm hauled timber in the Andaman Islands for 30 years.

现在，这只已经退休的大家伙在安达曼岛上从事拉木材这种工作已经30年了。

An pachyderm is pictured at Addo Elephant National Park in the Eastern Cape region of South Africa.

位于南非东部植物保护区的阿多大象国家公园里的大象。

Though veterinarians couldn't save his foot, they were able to fit him with a pachyderm-sized prosthetic.

虽然兽医们没能保住他的腿，但他们给他装了一只适合大象的义肢。