roam  
verb uk/rəʊm/ us/roʊm/
  (MOVE AROUND)      
 [ I + adv/prep, T ]闲逛(于);漫步(于);漫游(于) 
to move about or travel, especially without a clear idea of what you are going to do
  After the bars close, gangs of youths roam the city streets. 酒馆关门后,成群结伙的年轻人在城里街道上游荡。 
 She roamed around America for a year, working in bars and restaurants. 她花了一年的时间在美国各地游历,一路在酒吧和饭店里打工。 
 Synonyms: drift range rovewander 
Compare: tramp verbramble verb