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：

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:


  • Oceanic Sharks and Rays Have Declined 70% Since 1970
    The study reached its sobering conclusions by meticulously combining some 900 datasets cataloguing the abundance of 18 different oceanic shark and ray species over space and time, according to
  • Whale sharks gather at a few specific locations around the . . .
    Yet whale sharks are known to come together at just a few specific locations around the world Anything from ten to 500 whale sharks may gather at any one time in areas off the coasts of Australia
  • Whale Shark Fact Sheet | Blog | Nature - PBS
    Whale sharks are the world’s largest fish, measuring up to 45 feet in length and adults weigh about 41,000 pounds Their mouth alone stretches four feet wide Whale sharks are the largest shark
  • Grey reef shark - Wikipedia
    Generally a coastal, shallow-water species, grey reef sharks are mostly found in depths less than 60 m (200 ft) [11] However, they have been known to dive to 1,000 m (3,300 ft) [ 2 ] They are found over continental and insular shelves, preferring the leeward (away from the direction of the current) sides of coral reefs with clear water and
  • Sharks of the World: A Fully Illustrated Guide - ResearchGate
    The lower lobe of caudal fin is also promarily white in colour (Compagno and Niem, 1998) 1D) Distribution: The Oceanic White tip Shark may be found worldwide in arctic and tropical seas (Ebert et
  • Shark alert: Ground‑breaking global study reveals species . . .
    The team, led by Boris Worm (shown right) of Dalhousie University and Darcy Bradley at the University of California and The Nature Conservancy, found that total fishing mortality for all species of sharks actually increased to 80 million from 76 million sharks in that period, with roughly 25 million of those being threatened species
  • Sharks - CSIRO
    White sharks occur in coastal, shelf, and continental slope waters around Australia, from north-western Western Australia and south around the coast to central Queensland Tracking white sharks In collaboration with various partners and funding agencies, we've deployed some 250 electronic tags on 210 different white sharks since 2000 (some





中文字典-英文字典  2005-2009