Damming rivers for hydropower plants has devastated river systems, submerged farmland and displaced thousands of people.拦河筑坝，建立水力发电厂，破坏了河川生态体系，淹没农田，并使数千人被迫迁居他乡。
The logistical and environmental hurdles involved in executing these dams underscore China's commitment to hydropower.在建设这些大坝上的资金和环境困难显示了中国政府对水力发电的支持。
