peripatetic

1. ADJ If someone has a peripatetic life or career, they travel around a lot, living or working in places for short periods of time. 不固定的[正式] [usu ADJ n]

Her father was in the army and the family led a peripatetic existence for most of her childhood. 她父亲是军人，全家人在她童年的大部分时间过着一种流动的生活。