no obj., with adverbial of direction
1- travel constantly without a fixed destination; wander流浪; 漫游：
a quarter of a million refugees roved around the country.
25万难民在这个国家到处流浪。
1.1
- with obj. wander over or through in such a way流浪于; 漫游于：
children roving the streets.
在街上流浪的孩子们。
1.2
- usu. as adj. roving travel for one's work, having no fixed base（工作）流动的; 无定所的：
he trained as a roving reporter.
他被培训为流动记者。
1.3
- (of eyes) look in changing directions in order to see something thoroughly（眼睛）环顾, 扫掠：
the policeman's eyes roved around the pub.
那个警察的眼睛环视着酒吧。
in sing.
- chiefly US a journey, especially one with no specific destination; an act of wandering〈主美〉（尤指无具体目的地的）旅行; 流浪; 漫游：
a new exhibit will electrify campuses on its national rove.
一个新的全国性巡回展览将使各大学为之振奋。
词源
late 15th cent. （originally a term in archery in the sense 'shoot at a casual mark of undetermined range'）： perhaps from dialect rave 'to stray', probably of Scandinavian origin.