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1·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。《柯林斯英汉双解大词典》

2·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。

3·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。

4·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。

5·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。

6·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。

7·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。

8·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。

9·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。

10·Koala is an arboreal Australian marsupial.

考拉是一种澳大利亚树栖有袋动物。