estaban detectando
-they/you were detecting
Imperfect progressiveellos/ellas/ustedesconjugation ofdetectar.

detectar

Tengo contacto con personas que están haciendo mediciones exactas con contadores Geiger y no estaban detectando una radiación excesiva muy cerca de Fukushima.
I have contact with people who are making exact measurements with Geiger counters and they were not detecting excessive radiation quite close to Fukushima.
Los astrónomos estaban detectando la materia recién expulsada por una supernova.
Astronomers were detecting matter recently ejected by a supernova.
Word of the Day
to drizzle