noun🔗ShareSmogA noxious mixture of particulates and gases that is the result of urban air pollution."The heavy smog made it hard to see the mountains clearly from the city. "El denso smog dificultaba ver las montañas claramente desde la ciudad.environmentdisastersubstancenatureweatherChat with AIVocabulary GamePractice Reading
verb🔗ShareHacer una revisión de emisionesTo get a smog check; to check a vehicle or have it checked for emissions."My car needs a smog check before I can register it. "Mi coche necesita una revisión de emisiones antes de que pueda registrarlo.environmentvehicletechnologyChat with AIVocabulary GamePractice Reading