audio guideBrE/ˈɔːdiəʊ ɡaɪd/NAmE/ˈɔːdioʊ ɡaɪd/nounasmalldevice, usuallywithheadphones, thatvisitorstoamuseum, gallery, city, etc. canholdintheirhandandusetolistentorecordedinformationwhiletheyarewalkingaround导览机；语音导览机◆Themuseumprovidesfreeaudioguides.博物馆提供免费的导览机。