n.呼吸器；口罩

She is in a coma and attached to a respirator. 她在昏迷中,還連著個呼吸器。

The nurse put him on a respirator and wheeled him downstairs to the operating room. 護士給他帶上了呼吸器，然后把他推到了樓下的手術室。

The smog is so thick that you'd better wear a respirator. 外面塵霧迷天，最好戴上口罩。

adj.呼吸的；與呼吸有關的

呼吸罩