berghaan

例句：

1. 1. The construction of the new dam has been completed successfully.
   新坝的建设已经成功完成。
2. 2. The dam is a marvel of engineering and a symbol of our country's progress.
   大坝是工程的奇迹，也是我们国家进步的象征。
3. 3.The flood control project around the dam has greatly improved the local environment.
   大坝周围的防洪项目极大地改善了当地的环境。