…the area or scenery behind the main object of contemplation, especially when perceived as a framework for it…
…music intended as an unobtrusive accompaniment to some activity, such as dining in a restaurant, or to provide atmosphere in a movie…
…weak uniform microwave radiation that is detectable in nearly every direction of the sky. It is believed to be evidence of the Big Bang…
…lecturasacerca del momento histórico, antecedentes etc…
…prefiere permanecer en un segundo plano…
…lo vi al fondo, tratando de pasar desapercibido…
