Two-thirdsoftheworld’smajorrivershavenowbeendisrupted(中...
問題詳情：Two-thirdsoftheworld’smajorrivershavenowbeendisrupted(中斷)withmorethan50,000damsinanattempttostolewaterandprovidepower.IntheUS，therearemorethan85，000dams，disruptinglargeandsmallrives,andinmostc...