The ancient fecal material, or coprolite, was littered with seared prickly pear seeds and flecked with small bones from fish, birds, and rodents.
这块古代排泄物或粪化石，同烧焦的多刺梨种子散落在一起，点缀着来自鱼、鸟、啮齿目动物的小块骨头。
To sort out this seeming discrepancy, Elizabeth Dumont of the University of Massachusetts Amherst studied the skulls and limb bones of song birds, rodents and bats.
为了找出这种表面上的差异，麻省阿默斯特大学的伊丽莎白·杜蒙特研究了鸟类，啮齿动物和蝙蝠的头骨与肢骨。
To sort out this seeming discrepancy, Elizabeth Dumont of the University of Massachusetts Amherst studied the skulls and limb bones of song birds, rodents and bats.
为探寻这种差异，马萨诸塞大学阿姆赫斯特校区的伊丽莎白·都蒙研究了鸣鸟、啮齿动物和蝙蝠的骨架及四肢的骨头。
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