detour

1. N-COUNT If you make a detour on a trip, you go by a route which is not the shortest way, because you want to avoid something such as a traffic jam, or because there is something you want to do on the way. 绕行

He did not take the direct route to his home, but made a detour around the outskirts of the city. 他没有直接回家，而是在市郊绕了一段路。

2. N-COUNT A detour is a special route for traffic to follow when the normal route is blocked, for example, because it is being repaired. 绕行道[美国英语]