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：

silurian    
a. 希留利亚人的

希留利亚人的

Silurian
n 1: from 425 million to 405 million years ago; first air-
breathing animals [synonym: {Silurian}, {Silurian period}]


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


  • Silurian - Wikipedia
    The Silurian is the third and shortest period of the Paleozoic Era, and the third of twelve periods of the Phanerozoic Eon As with other geologic periods, the rock beds that define the period's start and end are well identified, but the exact dates are uncertain by a few million years
  • Silurian Period | Definition, Timeline, Map, Events, Fossils, Animals . . .
    Silurian Period, in geologic time, the third period of the Paleozoic Era It began 443 8 million years ago and ended 419 2 million years ago, extending from the close of the Ordovician Period to the beginning of the Devonian Period
  • Silurian Period—443. 8 to 419. 2 MYA - U. S. National Park Service
    Silurian age fossil corals, Great Basin National Park, Nevada The Silurian was named for a Welsh tribe, the Silures, which lived in the area where Roderick Impey Murchison first described rocks of this age
  • Silurian Period | Natural History Museum
    Fishes and some invertebrate groups, such as eurypterids, invaded freshwater habitats during the Silurian period Simple vascular plants emerged on land with moss forests growing along streambeds and lakeshores The Silurian is the first period with fossils of extensive non-microscopic life on land
  • Silurian Period Information and Facts - National Geographic
    The Paleozoic era's Silurian period saw animals and plants finally emerge on land But first there was a period of biological regrouping following the disastrous climax to the Ordovician
  • The Silurian - University of California Museum of Paleontology
    The Silurian (443 to 417 million years ago) was a time when the Earth underwent considerable changes that had important repercussions for the environment and life within it
  • Prehistoric Life During the Silurian Period - ThoughtCo
    The shortest period of the Paleozic Era, the Silurian was when the first plants and animals colonized dry land Here's a look at prehistoric life during the Silurian period
  • Silurian - New World Encyclopedia
    The Silurian period is an interval of about 28 million years defined on the geologic timescale as spanning roughly from 444 to 416 million years ago (mya) and lying between the earlier Ordovician period and the later Devonian period
  • Silurian - an overview | ScienceDirect Topics
    The Silurian is defined as a geological time period that extended from 443 Ma to 418 Ma, following the Ordovician and preceding the Devonian, characterized by four series: Llandovery, Wenlock, Ludlow, and Pridoli
  • Silurian Period Facts: Climate, Animals Plants - Live Science
    The Silurian Period occurred from 443 million to 416 million years ago It was a time of great environmental changes on Earth and saw the first evidence of life on land





中文字典-英文字典  2005-2009