He came across the jawbone of a 4.5 million-year-old marsupial.

他偶然发现了一个450万年前的有袋动物的颌骨。

This marsupial inhabits the deserts of central Australia where the onset of rains and the resulting sudden growth of vegetation are extremely unpredictable.

这种有袋类动物生活在澳大利亚中部的沙漠中，那里的降雨和植被的突然生长是极其不可预测的。

A University of Muenster team drew up a marsupial family tree based on DNA.

明斯特大学的一个研究小组根据 DNA 绘制了一个有袋动物的族谱。

Owen recognized that the Wellington cave bones belonged to an extract marsupial.

欧文发现，惠灵顿洞穴里的骨头是从一种有袋动物身上抽取的。

Today, this creature is known as the kangaroo, a widespread marsupial endemic to Australia.

今天，这种生物被称为袋鼠，是澳大利亚特有的有袋动物。

There is, however, a chance that the virus will infect the bilby, an endangered native marsupial.

然而，这种病毒有可能会感染兔耳袋狸，这是本土的一种濒危有袋类动物。

The Dingiso, as the creature is also known, is a forest-dwelling marsupial with bold coloration that spends most of its time on the ground.

白腹树袋熊，作为一种已知的生物，是一种生活在森林里的有袋类动物，大部分时间生活在地面上，它的颜色非常鲜艳。

Another famous boneyard in the same region is a place called Wellington Caves, where Diprotodon, the largest known marsupial, was first discovered.

同一地区另一个著名的坟场是个叫做惠灵顿洞穴的地方，人们在那里第一次发现了双门齿兽——目前已知的最大的有袋类动物。

Paleontologist Peter Murray has studied a rock painting in far northern Australia that shows what looks very much like a megafauna marsupial known as Palorchestes.

古生物学家彼得·默里在澳大利亚北部研究过一幅岩画，画中显示的非常像是一种被叫做袋貘的巨型有袋动物。

Koala is an arboreal Australian marsupial.

考拉是一种澳大利亚树栖有袋动物。

The koala is a nocturnal, tree dwelling marsupial mammal.

考拉属喜夜间活动的、于树上的有袋类哺乳动物。

The koala bear is not classified as a bear, but as a marsupial.

考拉熊不是分在熊类动物里，而是分在有袋动物类。

'the Tasmanian devil is the world's largest carnivorous marsupial.

塔斯马尼亚恶魔是世界上体型最大的食肉有袋动物。

"We found the most gigantic marsupial ever known," he told the BBC.

“我们发现了迄今所知最巨大的有袋动物，”他告诉英国广播公司。

Wallabies are marsupial mammals like kangaroos and eat diets high in vegetation.

小袋鼠是像袋鼠一样有袋的哺乳类动物并食用含有大量制备的食物。

At times referred to as "koala bear," this Australian marsupial is not a bear at all.

虽然有时被称为“考拉熊”，这种澳洲有袋动物却根本不是熊。

A long-tailed marsupial mouse, is found only in the Kimberley region of Western Australia.

一种长尾有袋鼠，只有在西澳洲的金伯利来地区才能见到。

As the largest carnivorous marsupial in the world, competitors would be wise to stay clear.

作为世界上最大的食肉有袋动物，竞争对手最好明智地离他远一点。

The injured marsupial, which underwent surgery at the Melbourne Zoo, is expected to recover.

接受了墨尔本动物园的外科手术，这个受伤的有袋类动物有望康复。

The marsupial has been in decline for decades due to urban sprawl and from car accidents and dog attacks.

这种有袋动物其数量在过去几十年间逐渐减少，主要原因是城市的扩张、车祸和狗的袭击。

The plant-eating marsupial would have been the size of a four-wheel drive car and weighed three tonnes, experts say.

专家说，有袋动物一直是一个四轮驱动车的大小，重达三吨。

The smallest marsupial in all the world is but 45mm in length. So small that when fully grown it can stand comfortable in a dessert spoon.

全世界最小的有袋动物只不过45毫米，小到待其完全长大时还能够舒舒服服地站到一只点心匙上。

A long-tailed marsupial mouse, is found only in the Kimberley region of Western Australia. This timid creature rarely ventures for from its nest.

一种长尾有袋鼠，只有在西澳洲的金伯利来地区才能见到。这种胆小的动物几乎从不远离自己的巢穴外出冒险。

Koala: an arboreal Australian marsupial that has dense grayish fur, large ears, and sharp claws and feeds chiefly on the leaves of eucalyptus trees.

树袋熊，考拉：一种澳大利亚树栖有袋动物，长有浓密的灰毛、大耳朵和尖利的爪子，主要以桉树的树叶为食。