ventilator

• 名词，指使空气流通或排出封闭空间内污浊空气的通风设备；也指帮助或控制呼吸功能不全患者呼吸的医疗仪器。

A noun referring to a device that either circulates fresh air or expels stale air from an enclosed space, or a medical apparatus that assists or controls breathing in patients with respiratory failure.

1. Air circulation deviceB1formal

   A device, such as a fan or an opening, that introduces fresh air or expels stale air from an enclosed space.

   通风设备

   • The kitchen has a ventilator above the stove to remove smoke.
   • He installed a ventilator in the attic to improve airflow.
   • The old building's ventilator system was replaced with a modern one.

   同义词blowerexhaust fanfanvent

2. Breathing support deviceB2formalmedical

   A medical device that helps a patient breathe by moving air in and out of the lungs, used in cases of respiratory failure.

   呼吸机

   • The patient was placed on a ventilator after the surgery.
   • Doctors monitored the ventilator settings closely.
   • The hospital had to order more ventilators during the pandemic.

   同义词breathing machinerespirator