spillweir

例句：

1. 1. The gully has been a source of concern for the local community.
   这个沟渠一直是当地社区关注的问题。
2. 2.The rill is slowly filling up with water from the nearby stream.
   小溪里的水流正慢慢填满这个小沟渠。
3. 3.The seepage well has been causing problems with the local water supply.
   这个渗漏井已经给当地的供水系统带来了问题。