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：

treeless    音标拼音: [tr'iləs]

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:


  • How Human Beings Almost Vanished From Earth In 70,000 B. C.
    Add all of us up, all 7 billion human beings on earth, and clumped together we weigh roughly 750 billion pounds That, says Harvard biologist E O Wilson, is more than 100 times the biomass of any
  • Grasses - Encyclopedia. com
    There are as many as 10,000 species of grasses distributed among more than 600 genera The richest genera of grasses are the panic-grasses ( Panicum spp ) with 400 species, the bluegrasses ( Poa spp ) and love-grasses ( Eragrostis spp ) with 300 species each, and the needle-grasses ( Stipa spp ) with 200 species
  • Analysis: The Economic Value of Birds | Living Bird | All . . .
    Even though there are far fewer bird-dispersed plants in temperate regions, birds’ economic value there can still be substantial In Sweden’s Stockholm National Urban Park, the human labor cost of replacing the seeding or planting of tree seeds by Eurasian Jays was estimated to be $2,450 to $11,250 per bird and $210,000 to $950,000 across
  • Marine Biodiversity, Biogeography, Deep-Sea Gradients, and . . .
    There are several reasons to expect there to be more species in the oceans than on land Life has existed in the sea longer than on land — fossils indicate bacteria existed in the oceans over 3 7 billion years ago [1] and on land by 3 1 billion years ago [2]
  • SpeciesTM Threatened - International Union for Conservation . . .
    BirdLife seeks to conserve all wild bird species and their habitats Through this, BirdLife helps protect the world's biological diversity and supports the sustainable use by humans of the world's natural resources BirdLife is a national force in 58 countries around the world and represented in a further 26 nations
  • Bird (species) - Angry Birds Wiki
    This article is about the birds For other uses, see Angry Birds (disambiguation) For some information on the birds from Space, see Space Flock For the main group of the birds, see The Flock Birds are one of the main species that appear in the Angry Birds franchise They come in varieties of different species, colors, and sizes They are a breed of several different birds that can be either
  • Origin of the domestic chicken from modern biological and . . .
    As there were abundant remains of tropical animal and plant species excavated at Cishan and Nanzhuangtou, Xiang et al (2014) estimated that the North China Plain was warmer and more humid with much larger forest cover and was a suitable habitat for junglefowl during the early Holocene





中文字典-英文字典  2005-2009