I.around [美 əˈraʊnd, 英 əˈraʊnd]副around often appears as the second element of certain verb structures in English (fool around, knock around, move around, etc). For translations, see the relevant verb entry (fool, knock, move, etc).
I would switch off the lights, open the camera's shutter, and then walk around the darkroom illuminating the scene with multiple bursts from a handheld flashgun.