De las ondas de luz algo más largas que el rojo visible.
Of light waves just longer than visible red.
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See how the word “infrarrojo” is used in sentences
La cámara usa luz infrarroja por la noche. — The camera uses infrared light at night.
¿Esos sensores son infrarrojos? — Are those sensors infrared?
Los calefactores infrarrojos calientan la terraza en invierno. — Infrared heaters warm the terrace in winter.
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