dirt bed التعريفات والمعاني == English == === Noun === dirt bed (plural dirt beds) (geology) A layer of clayey earth forming a stratum in a geological formation. شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة dirt beds dirt bag dirtybud dirt-box dirtied dirt bike dirted dirt-dauber dirtybadwrong