/ˈrespəreɪtə(r) ||; ˈrɛspəˌretɚ/noun[C] 1 a piece of equipment that makes it possible for sb to breathe over a long period when he/she is unable to do so naturally 呼吸器: She was put on a respirator. 她被戴上呼吸器。
2 a device worn over the nose and mouth to allow sb to breathe in a place where there is a lot of smoke, gas, etc 防毒面具