英语 英语 日语 日语 韩语 韩语 法语 法语 德语 德语 西班牙语 西班牙语 意大利语 意大利语 阿拉伯语 阿拉伯语 葡萄牙语 葡萄牙语 越南语 越南语 俄语 俄语 芬兰语 芬兰语 泰语 泰语 泰语 丹麦语 泰语 对外汉语
当前位置:主页 > TAG标签 > river
  • VOA标准英语2012--Saving the Cross River Gorilla

    Saving the Cross River Gorilla The U.S. is helping to save an elusive and endangered species of gorilla in West Africa. The Fish and Wildlife Service and the Wildlife Conservation Society have developed a five-year plan to ensure the survival of the...

  • VOA标准英语2011--River Basins Could Help Ensure Food Secu

    River Basins Could Help Ensure Food Security The worlds major river basins may hold the key to doubling food production in the coming years. The idea was discussed at the 14th World Water Congress in Brazil. A new report says while water shortages do...

听力搜索