A robe or smock worn in operating rooms and other parts of hospitals as a guard against contamination.
手术服在手术室里和医院的其他地方为防止感染或传染而穿的长袍或罩衫
The act or process of polluting or the state of being polluted, especially the contamination of soil, water, or the atmosphere by the discharge of harmful substances.
污染造成污染的行为或过程或被污染的状态, 尤指因为排放有害物质而造成的对土壤、水或大气的污染
