1·The most important part of the work consisting in river damming started in 1955.
筑坝最重要的工作开始于1955年。
2·Over 360 miles of the 3,860-mile long Yangtze River are polluted due to damming, inadequate sewage, industrial pollution and rapid population growth.
3860英里长的长江中有超过360英里由于筑坝，污水排泄不畅，工业污染和人口快速增长而受到污染。
3·Over 360 miles of the 3, 860-mile long Yangtze River are polluted due to damming, inadequate sewage, industrial pollution and rapid population growth.
3860英里长的长江中有超过360英里由于筑坝，污水排泄不畅，工业污染和人口快速增长而受到污染。
4·The damming and weiring of British rivers for watermills was small-scale, renewable, picturesque and devastating.
在英国境内，为水磨运行而进行的拦河筑坝是小规模的，可再生的，风景如画的，但是也是破坏性的。
5·This reservoir was formed by damming the River Blith.
这个水库是通过在布莱斯河上筑坝形成的。