They were thrilled to discover a perfectly preserved specimen of Roman pottery.
他们因发现了一件保存完好的罗马时代陶器而欣喜若狂。
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So, in the University of Minnesota, a biologist called Emilie Snell-Rood and her colleagues looked at specimens of urbanized small mammals such as mice and gophers that had been collected in Minnesota, and that are now kept in museums there.
明尼苏达大学,一位名叫艾米丽·斯内尔-鲁德的生物学家
她的同事们研究了
明尼苏达州收集的城市化小型哺乳动物的标本,比如老鼠
地鼠,这些标本现
保存
那里的博物馆里。