operate/ˋɑpə͵ret; ˈɒpəreIt/v 1 [I,T] to work, or to make something work (使)运转﹐操作: The machine seems to be operating smoothly. 这台机器似乎运转良好。He doesn’t know how to operate the equipment. 他不会操作这台设备。Most freezers operate at below –18°C. 大多数冰柜的制冷温度在零下 18 摄氏度以下。2 [I] to cut into someone's body in order to remove or repair a part that is damaged 开刀﹐动手术: Doctors had to operate to remove the bullet. 医生们只得开刀取出子弹。+on Surgeons operated on him for eight hours. 外科医生给他做了八小时的手术。3 [I,T] to do business, or to manage and control something 营业﹐经营﹐管理: She operated her business from a large house in Brighton. 她在布赖顿的一所大房子里管理她的生意。The bakery operates all day. 这家面包店全天营业。Volunteers are operating an emergency hospital. 志愿者在经营着一家急救医院。4 [I] to have a particular effect 起…作用﹐作…用: +as The foam operates as a filter. 泡沫材料起到过滤的作用。