gutterway

例句：

1. 1. The gutterway was clogged with leaves and debris.
   排水沟被树叶和杂物堵塞了。
2. 2. The city needed to improve its drainage system.
   城市需要改善其排水系统。
3. 3. The rainwater from the gutterway flows into a storm drain.
   从排水沟流来的雨水流入一个雨水排放管。