infra-sons التعريفات والمعاني == French == === Noun === infra-sons m plural of infra-son == Portuguese == === Noun === infra-sons plural of infra-som شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة infrasons infrasonic infra-son infrason infra-sonore infrasonore infra-som infra-sónico infraconstitutional