水道受圆木阻塞

例句：

1. 1. The river flows through the town, providing transportation for residents.
   这条河流经这个城镇，为居民提供交通。
2. 2. The ancient aqueduct still stands today, marking the end of a long history.
   古老的水渠至今仍然屹立着，标志着一段漫长历史的结束。
3. 3. The construction of the new aqueduct is expected to improve water supply in the area.
   新水渠的建设预计将改善该地区的供水。