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The fossils lie embedded in a matrix of shale and sandstone.化石牢牢嵌在页岩与砂岩形成的脉石中。Most of these fossils are too small to be easily spotted.这些化石大多数都太小了，不易发现。Scientists use various techniques to date fossils.科学家们使用各种技术确定化石形成的年代。They found fossils of shelly animals.他们发现了有壳动物的化石。The fossils are over 100 million years old.这些化石有一亿多年了。We found fossils of lobsters with their antennae intact.我们发现了触须完好的龙虾化石。The rocks are dated by examining the fossils found in the same layer.通过查看在同一岩层里发现的化石来鉴定岩石的年代。Looking at these fossils, I see some similarity to modern-day birds.看着这些化石，我发现它们和现代鸟类有些相似之处。These are some of the oldest known fossil remains.这些是已知最古老的化石的一部分。Museums will pay large amounts of money for good dinosaur fossil specimens.博物馆愿意出大价钱购买完好的恐龙化石标本。The fossils appear to be an early form of seaweed washed up on a beach.这些化石看上去是被海水冲上岸的一种早期的水藻。The exhibition at the Natural History Museum includes fossils of amphibious creatures from millions of years ago.自然历史博物馆的展览包括数百万年前水陆两栖动物的化石。Archaeologists have been unable to date these fossils.考古学家无法确定这些化石的生成年代。Fossil records suggest that the region was covered in water until relatively recently.通过化石可判断出这一地区在相对较近的时期之前一直是一片汪洋。Scientists have unearthed a complete dinosaur skeleton in Montana.科学家在蒙大拿州出土了一具完整的恐龙骨骼化石。Roy had a passionate amateur interest in fossils.罗伊对化石有浓厚的业余兴趣。Oftentimes, these fossils are not made available to science at all.科学界常常压根接触不到这些化石。The most spectacular dinosaur fossils can be seen in this museum.那些最引人注目的恐龙化石可在这个博物馆中看到。The plant's presence in the ancient world is attested by fossils that have been found.所发现的化石证明这种植物在古代就存在。The fossil was well preserved.化石保存完好。Recent fossil finds in Africa have excited interest among palaeontologists.最近非洲出土的化石引起古生物学家的兴趣。Peter Forey is curator of fossil fishes at the Natural History Museum.彼得·福雷是自然历史博物馆鱼类化石展厅的负责人。They found the fossil skeleton of a mastodon.他们发现了乳齿象的骨架化石。The fossils are embedded in hard sandstones.化石嵌在了坚硬的砂岩中。The area is a treasure trove of fossils. 这一地区是化石宝库。The remains gradually fossilized.遗体逐渐变成了化石。The new fossil finds may tell us more about human evolution.新发现的化石也许可以使我们对人类进化有更多的了解。The marks in the ground attested the presence of a fossil.地上的痕迹证明了化石的存在。The valley contains fossils of many extinct species.这个山谷里有许多已经灭绝的物种的化石。Fossil records indicate that Africa was the cradle of early human evolution.化石记载表明非洲是早期人类进化的摇篮。The fossils at Dinosaur Cove are embedded in hard sandstones.恐龙峡谷中的化石都嵌在坚硬的砂岩中。Ramona brought in a fossil for show and tell.拉蒙娜带了一块化石去上展示和讲述课。Can you date the fossil exactly?你能确定这化石的确切年代吗？ These rocks contain the fossilised remains of extinct animals.这些岩石中有绝种动物遗骸的化石。 |