stone masonry dam

例句：

1. 1. The construction of the new dam has been a major project for years.
   新坝的建设是多年来的主要项目。
2. 2.The engineers carefully designed the dam to withstand heavy rains.
   工程师们仔细设计了大坝，以承受大雨。
3. 3.The dam is an important part of the river's water management system.
   大坝是河流水管理系统的重要组成部分。