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
pohha查看 pohha 在百度字典中的解释百度英翻中〔查看〕
pohha查看 pohha 在Google字典中的解释Google英翻中〔查看〕
pohha查看 pohha 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:


  • Evolution in action: from genetic change to new species
    How do new species – or completely new types of organism – emerge? Time and separation are the key factors When most people think of evolution, they think of Charles Darwin’s idea of natural selection, where one kind of organism evolves into a very different kind – such as fish into terrestrial animals, or early primates into humans – over long periods of time
  • The rise and fall of elephant ancestors - Natural History Museum
    Over the last 60 million years, proboscideans - the order of animals which includes elephants - changed dramatically as they expanded geographically and adjusted to various climate changes New research explores how this rich group of giant mammals diversified and became extinct, leaving behind only three species of elephants today
  • Giant Panda | Species | WWF - World Wildlife Fund
    continuing research and monitoring; WWF has been working with the Chinese government’s National Conservation Program for the giant panda and its habitat Thanks to this program, panda reserves now cover more than 3 8 million acres of forest
  • UN Report: Nature’s Dangerous Decline ‘Unprecedented . . .
    The Report finds that around 1 million animal and plant species are now threatened with extinction, many within decades, more than ever before in human history
  • If Humans Went Extinct, Would a Similar Species Evolve?
    It took 200 million years for humans to evolve from the first mammals The last common ancestor of humans and chimps was alive only 8 million years ago, and there are still hundreds of millions of
  • Animals shapeshifting to adapt to rising temperatures
    The authors of the review suggest that some species are unable to change certain features as part of a trade-off Sara says the changes may be masked in species which already exhibit large degrees of variation These adaptations may be beneficial in the short to medium term, but as the climate continues to change, animals cannot continually adapt
  • Shark evolution: a 450 million year timeline | Natural . . .
    Golden age of sharks The Carboniferous Period, which began 359 million years ago, is known as the ‘golden age of sharks’ An extinction event at the end of the Devonian killed off at least 75% of all species on Earth, including many lineages of fish that once swam the oceans





中文字典-英文字典  2005-2009