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:


  • Spiders top the global predator charts - BBC News
    The world's spiders consume between 400 million and 800 million tonnes of primarily insect prey every year, say scientists
  • What You Need to Know Before Spraying for Mosquitoes
    When you spray your yard for mosquitoes, you also kill off that food source and make it more difficult for birds to successfully reproduce Almost 30 percent of the North American bird population has disappeared in just the last 50 years Insect populations themselves are rapidly plummeting as well Pesticides are a factor in all of these
  • How is West Nile virus transmitted? - The Conversation
    West Nile virus is the most common mosquito-borne illness in the continental U S , with an average of 2,464 reported cases per year Every August, West Nile season ramps up, primarily in parts of
  • Advice | Trying to kill mosquitoes? Don’t buy a bug zapper.
    Around the same time, researchers at the University of Delaware used a bug zapper to trap 13,789 insects over a summer Only 31 — 0 22 percent — were biting insects such as mosquitoes and gnats
  • Malaria and Lyme disease - the largest vector-borne US . . .
    Adult mosquito mobility and intense feeding by immature mosquitoes make them more susceptible to dispersed or ingested insecticides Aggregated aquatic mosquito stages are easier to target Ticks inhabit much more cryptic environments, are spread over the suitable habitat, and have only one bloodmeal per each life stage [39, 91]
  • A mosquito-borne disease is spreading as the planet warms
    Aedes is so plentiful that the United States Centres for Disease Control and Prevention reckons 100m people around the world fall sick with dengue every year The number of people contracting





中文字典-英文字典  2005-2009