scent:

El sentido del olfato es más importante de lo que usted cree. No solo le permite disfrutar del aroma de sus comidas o flores favoritas, sino que puede servir como sistema de alerta, avisándole de peligros como una fuga de gas, comida en mal estado o un incendio. Muchos...

Your sense of smell is more important than you think. It does more than just let you enjoy the aromas of your favorite foods or flowers. It can also serve as a warning system-alerting you to dangers such as a gas leak, spoiled food, or a fire. Many adults...