They are delinquents roaming the downtown streets.他们是在闹市区闲逛的不良分子。
词语辨异
♣ roam, range 参见range条。
补充资料
［派生词］ roamer n.徘徊者，漫游者，游历者
☞roamv. [rǝʊm] (roams;roamed;roaming) The young couple are roaming about in the park.那对年轻的夫妇正在公园里漫步。 Herds of cattle roamed at will over the plain.牛群在平原上自由自在地走动。
用作及物动词
▲ S+～+n./pron.
双解释义
vt. & vi.随便走，漫步，漫游 walk about without any fixed plan or purpose