a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc.
同义词:roadblock
a barrier (usually thrown up hastily so as to impede the advance of an enemy)
render unsuitable for passage
同义词:block / blockade / stop / block off / block up / bar
prevent access to by barricading
block off with barricades
同义词:barricado
路障;隔板;障碍物;争论之处(barricade的复数)
obstacles / roadblocks