| 词汇 | ichthyosaur |
| 释义 | ichthyosaur noun[ C ] uk /ˈɪk.θi.ə.sɔːr/ us /ˈɪk.θi.ə.sɔːr/ a type of reptile that lived in the sea, that existed from about 250 million to 90 million years ago鱼龙（生活在2.5亿到9千万年前的一种海洋爬行动物） MR1805/iStock/Getty Images Plus/GettyImages Prehistory anatosaurus apatosaurus Australopithecus brachiosaurus broch henge Holocene ice age iguanodon Jurassic Phanerozoic pictograph Pleistocene Pliocene post-glacial raptor Silurian standing stone stegosaurus stone-age Examples of ichthyosaurichthyosaur This limitation also precludes the estimation of errors in the application of the algebraic methods on the ichthyosaur example. The eye sockets are protected by a bony ring, a feature shared by birds and some ichthyosaurs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It also occurs secondarily in some later tetrapods, such as ichthyosaurs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Above the sea bed, the shallower waters supported ammonites, fish, and marine reptiles (ichthyosaurs and plesiosaurs). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At about the same time, the museum possessed a fossil of an ichthyosaur. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At 5.05.5 m total length, it is a large ichthyosaur. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Among them were three models of an ichthyosaur. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Ultimately, over four thousand would be uncovered, forming the bulk of ichthyosaur specimens today displayed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Ichthyosaur species varied from one to over sixteen metres in length. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Some early ichthyosaurs were durophagous and had flat convex teeth adapted for crushing shellfish. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are some indications about the diving capacity of ichthyosaurs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The fossil also documented that early ichthyosaurs were also born head first, perhaps opposed to later genera. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Little evidence is available about the nature of ichthyosaur social behaviour. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Additional evidence is provided by the eyes of ichthyosaurs that among vertebrates are both relatively and absolutely the largest known. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. If authentic, the embryos of plesiosaurs would have been very small like those of ichthyosaurs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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