respirators

英['respəreɪtəz] 美['respəreɪtəz]
  • 呼吸罩
  • time n.时间;时代;时期;倍;次数;节拍v.为…安排时间;计时;[体]在某一时刻击球adj.时间的;定时的;分期(付款)的;定期的
名词 respirator:
  1. a breathing device for administering long-term artificial respiration

  2. a protective mask with a filter; protects the face and lungs against poisonous gases