Russian ⇄ English

операционная для показательных операций stresses
hist., AmE	operating theater (historically, the term "operating theatre" referred to a non-sterile, tiered theater or amphitheater in which students and other spectators could watch surgeons perform surgery)
hist., BrE	operating theatre (historically, the term "operating theatre" referred to a non-sterile, tiered theater or amphitheater in which students and other spectators could watch surgeons perform surgery)