英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
InformationsSystem查看　InformationsSystem　在百度字典中的解释百度英翻中〔查看〕
InformationsSystem查看　InformationsSystem　在Google字典中的解释Google英翻中〔查看〕
InformationsSystem查看　InformationsSystem　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Vertebrate paleontology - Wikipedia
    Ancestral birds like Archaeopteryx [1] first evolved from dinosaurs during the Jurassic, with crown-group birds emerging in the Cretaceous between 100 Ma and 60 Ma [ 2 ] The K-Pg mass extinction wiped out many vertebrate clades, including the pterosaurs , plesiosaurs , mosasaurs and nearly all dinosaurs , leaving many ecological niches open
  • Constraints on the timescale of animal evolutionary history
    Although the earliest unambiguous metazoan fossils date to the late Ediacaran period, molecular clock estimates agree that the last common ancestor (LCA) of all extant animals emerged ~850 Ma, in
  • Apatosaurus - Wikipedia
    Apatosaurus ( ə ˌ p æ t ə ˈ s ɔːr ə s ; [3] [4] meaning "deceptive lizard") is a genus of herbivorous sauropod dinosaur that lived in North America during the Late Jurassic period Othniel Charles Marsh described and named the first-known species, A ajax, in 1877, and a second species, A louisae, was discovered and named by William
  • List of dinosaurs and other Mesozoic reptiles of New Zealand
    Newer fossils from a Cretaceous-Paleogene boundary fossil formation known as the Takatika Grit in the Chatham Islands include six or seven (possibly more) bones from dinosaurs, as well as numerous bones from early birds, but more information is needed about these to add them to the list
  • Facts About Cryolophosaurus and Its Discovery - ThoughtCo
    It was only during the late Cretaceous period that some meat-eating dinosaurs (like Tyrannosaurus Rex and Troodon) took eensy-weensy evolutionary steps toward a higher-than-average level of intelligence Like most of the plus-sized theropods of the Jurassic and late Triassic periods — not to mention the even dumber plant eaters
  • Arboretum contains more than 200 varieties
    By the mid-Jurassic Period, conifers had become more diverse and many of their fossils have been assigned to modern families such as Araucariaceae, Pinaceae and Taxodiaceae Angiosperm pollen and leaves first appeared in the fossil record about 140 million years ago in the early Cretaceous Period
  • Quora - A place to share knowledge and better understand the . . .
    We would like to show you a description here but the site won’t allow us





中文字典-英文字典  2005-2009