柯林斯词典culvert /ˈkʌlvət/ (culverts) 1. N-COUNT A culvert is a water pipe or sewer that crosses under a road or railway. 排水管 返回 culvert剑桥词典a pipe for waste water that crosses under roads , railways , etc. （道路、铁路等下面的）排水管，涵洞，阴沟 返回 culvert