0 used to describe a place that does not have a roof, or an event that takes place outside -- 室外的，戶外的；露天的；野外的
The musical qualities and context of performance, and the open-air festival, are also significant indicators of the impetus for this celebration.
It was so cheap last time - only 50 cents and it was in the open-air.
For instance, as a result of recovery and geological processes (erosion and sedimentation) open-air camps in the latter area are probably heavily underrepresented.
Readily accepting the right of the preachers to conduct open-air services, the paper was initially emollient, imputing to them only sincere and pious motivations.
During the 1830s and 1840s as respectable politics moved to indoor venues, the authorities increasingly regulated and restricted remaining open-air gatherings.
It is about to be reopened (at the time of writing) as an open-air museum, but its massive artefacts will eventually decay without conservation.
The small buildings then would represent small open chapels or open-air platforms for worship.
Newly constructed were three air-conditioned, indoor theatres and two open-air ones.
