a lecture, often informal, illustrated with diagrams chalked on a blackboard

listen to the pronunciation of a lecture, often informal, illustrated with diagrams chalked on a blackboard
الإنجليزية - التركية

تعريف a lecture, often informal, illustrated with diagrams chalked on a blackboard في الإنجليزية التركية القاموس.

chalk talk
tahtaya şekil veya resim çizerek konuşma
الإنجليزية - الإنجليزية
chalk talk