资料来源 : pyDict

障碍,障碍物

资料来源 : WordNet®

roadblock
     n 1: any condition that makes it difficult to make progress or to
          achieve an objective; "intolerance is a barrier to
          understanding" [syn: {barrier}]
     2: a barrier set up by police to stop traffic on a street or
        road in order to catch a fugitive or inspect traffic etc.
        [syn: {barricade}]