- 1.   
(无明确目的或方向)漫步;漫游,游历  -  
• roam about the world 漫游世界 - 2.   
(眼睛)扫视  -  
• His eyes roamed over their faces. 他扫视着他们的脸。 - 3.   
(有目的地)走来走去  -  
• He roamed about the old section of the city in search of her. 为了寻找她,他在老城区里四处奔走。 
-  
• Crowds of youths roamed the streets looking for trouble. 成群结队的年轻人在街上闲逛找麻烦。