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:


  • 5 big threats to rivers - The World Economic Forum
    The global biodiversity crisis is most acute in freshwater ecosystems, with around a third of all species living in freshwater at risk One of the largest threats to river biodiversity comes from dams, as the loss of free-flowing rivers impacts fish, aquatic insects, birds and plants
  • Saving India’s lifelines: what we must do to rescue our rivers
    Today, India’s rivers are depleting at an alarming rate Many perennial rivers are headed towards becoming seasonal in the next two decades Already, the most significant rivers of southern India reach the ocean only a few months in a year The Ganga and Indus are now among the most endangered rivers on the planet Many of the smaller rivers
  • These are the challenges facing India’s most sacred river
    Now they swim in small groups or alone, and have become endangered due to pollution, dams, irrigation projects and the dredging of new shipping channels Image: Reuters Danish Siddiqui More than 1 billion litres of raw sewage flow into the river every day
  • Here are 5 of the biggest threats to our oceans, and how we can solve . . .
    Fish that were once extremely abundant, such as bluefin tuna, are now becoming increasingly endangered Illegal, unreported and unregulated fishing can cost the global economy up to $23 billion annually Restaurants and seafood markets in many areas routinely serve endangered seafood species that are the underwater equivalent of a rhino or a panda
  • Costs for climate disasters to reach $145 billion in 2025
    One of the world's most endangered amphibians, the axolotl, has thrived after being released in artificial wetlands, research published in PLoS One has revealed As this creature was pushed near extinction previously , lead researcher Dr Alejandra Ramos from the Autonomous University of Baja California said this was an "amazing result", as reported by the BBC
  • Tropical forests lost at fastest recorded rate in 2024
    Five times more tropical primary forest was lost to fires in 2024 than in 2023, and most of these were purposely started, according to the WRI: "In tropical forests fires are almost entirely human-caused, often started to clear land for agriculture and spreading out of control in nearby forests "
  • What are the 5 key drivers of biodiversity loss, according to UNEP?
    According to scientists, halting and reversing the degradation of lands and oceans can prevent the loss of one million endangered species In addition, restoring only 15 per cent of ecosystems in priority areas will improve habitats, thus cutting extinctions by 60 per cent by improving habitats
  • Extinction threat from ocean plastic pollution is growing | World . . .
    Ocean plastic pollution is set to grow fourfold by 2050, says a new report And there may be 50 times more microplastics in the sea by 2100
  • World’s most endangered species: the list keeps growing | World . . .
    Eight metres long and weighing 1,700 kilogrammes, the earliest sturgeon fossils date to the late Cretaceous period Now, due to overfishing and warming rivers as a result of climate change, their numbers have fallen dramatically Despite holding protected status, they continue to be hunted by poachers for their meat and eggs
  • What are the Amazons flying rivers’ – and how does deforestation . . .
    Flying rivers in the Amazon rainforest are a vital part of the water cycle for Latin America’s 670 million people, as well as the region’s unique biodiversity A soaring rate of deforestation and climate change are increasingly affecting the health of flying rivers in the Amazon, the world’s largest tropical rainforest





中文字典-英文字典  2005-2009