1. 手术室：手势语/manual alphabet | 手术室/operating theater | 手术室护士/theatre sister
2. 手术师范室：partial differential equation 偏微分方程(式) | operating theater 手术师范室 | infinite set 无穷集(无限集)
noun
1. a room in a hospital equipped for the performance of surgical operations
e.g. great care is taken to keep the operating rooms aseptic
Synonym: operating room OR operating theatre surgery