roving

1. ADJ You use roving to describe a person who travels around, rather than staying in a fixed place. (人) 流動的[ADJ n]

He is to join NBC to cover the Olympic Games in Barcelona next month as a roving reporter. 他將于下月作為一名流動記者加入國家廣播公司報道巴塞羅納奧運(yùn)會。