respirator

n [C] 1 apparatusfor giving artificial respiration over a long period 人工呼吸器: put the patient on a respirator 给患者戴上人工呼吸器. 2 device worn over the nose and mouth to warm, filter or purify air before it is breathed 口罩; 呼吸保护罩; 防毒面具.

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