spillway
noun [ C ] uk/ˈspɪl.weɪ/ us/ˈspɪl.weɪ/
溢洪道
a passage for extra water from a lake created by a dam (= a wall built across a river to hold back water)
The dam had water pouring over one of its spillways. 洪水漫过了大坝的一个溢洪道。
The emergency spillway is not properly designed. 应急溢洪道的设计不合理。
- More examples
- The owners of the dam did not fix the spillway.
- The dam's main spillway isn't large enough to pass a lot of water in a big storm.
- More water is needed to flush young salmon through dam spillways.