rove
verb- [intransitive, transitive] (formal)
to travel from one place to another, often with no particular purpose 漫游；漂泊；流浪 - [intransitive] (+ adv./prep.)
if somebody’s eyes rove, they keep looking in different directions （眼睛）转来转去，环视，打量 Ali’s eyes roved over the map. 阿里的眼睛扫视着地图。
Word Originlate 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.