respirator

• 名词，指用于帮助或支持呼吸的装置，既可以是医疗上用于人工呼吸的呼吸机，也可以是过滤空气中有害物质的防护面罩。

A noun referring to a device used to assist or support breathing, either as a medical ventilator for artificial respiration or as a protective mask that filters harmful substances from the air.

1. Artificial respiration deviceB2formalmedical

   A breathing device used to administer long-term artificial respiration to a person who cannot breathe on their own.

   呼吸机

   • The patient was placed on a respirator after the surgery.
   • Doctors monitored the respirator settings carefully.
   • The respirator helped him breathe while he was unconscious.

   同义词breathing machineventilator

2. B2formalmedical

   A protective mask with a filter that covers the face and lungs, designed to guard against inhaling poisonous gases or harmful particles.

   呼吸防护面罩

   • Firefighters wear a respirator when entering smoke-filled buildings.
   • The factory workers must use a respirator to avoid inhaling toxic fumes.
   • He put on a respirator before entering the chemical spill area.