ventilator cowling

例句：

1. 1. The patient was givena ventilator to help him breathe.
   病人被给予一台呼吸机来帮助他呼吸。
2. 2. The ventilator is essentialfor the patient's recovery.
   呼吸机对于患者的康复至关重要。
3. 3. The ventilatorwas set up in the operating room.
   呼吸机被安置在手术室里。