estaban inhalando
-they/you were inhaling
Imperfecto progresivo para el sujetoellos/ellas/ustedesdel verboinhalar.

inhalar

Los trabajadores en la Montrose Chemical Company, que producía al DDT, no usaban guantes o ropas protectoras de ninguna clase, y estaban inhalando el polvillo de DDT el día entero.
The workers in the Montrose Chemical Company, which produced DDT, used no gloves or protective clothing of any kind and they were inhaling the DDT dust all day.
Dos de los lavaplatos estaban inhalando óxido nitroso de las latas de crema batida de la cámara frigorífica.
Two of the dishwashers were huffing nitrous oxide from the cans of whipped cream in the walk-in.
Palabra del día
el portero