culvert是什么意思

n.管路

1. The heavy rainfall caused the culvert to overflow, flooding the road.
大雨导致管道溢出，道路被淹。

2. The construction crew is installing a new culvert to improve drainage in the area.
施工队正在安装新的管道，以改善该地区的排水情况。

a tunnel carrying a stream or open drain under a road or railroad.