在返回營區時

在 zaiˋ

Now, Located, In, At, On, By, Alive, Present, Presently

返回 fanˇ huiˊ

(Return) Return (to)

營區 yingˊ quˉ

(Area, Site, Zone) Area, Zone, Site

時 shiˊ

Time, At that time, Fashionable, Sometimes, Era, Season, Epoch