/rəʊm; rom/
v
1 [Ipr, Ip, Tn] walk or travel without any definite aim or destination 漫无目的地走动; 漫步; 漫游; 闲逛
*roam through the deserted village 漫步于空寂无人的村庄
* just roaming around 只是随便走走
* He used to roam the streets for hours on end. 他过去常逛大街, 一逛就是几个小时.
2 (phr v) roam over sth talk about various things, or various aspects of sth 漫谈某事
*The speaker roamed freely over the events of the past week. 那个人东拉西扯地谈了一些上周的事.

n [sing] walk, etc of this kind 漫步; 漫游; 闲逛.

v
[I and T]
to walk or travel, usually for a long time, with no clear purpose or direction
→wanderroam over/around/about etc
　The dogs are allowed to roam around.
　Chickens and geese roam freely in the back yard.
　You shouldn't let your children roam the streets .
roam the countryside/desert/forests etc
　Wild sheep roam the hills.
[I always + adverb/preposition, T]
if your eyes roam over something, you look slowly at all parts of it
　Her eyes roamed the room.
roam over
　His eyes roamed over the bookshelves.