source material

Übersetzungen
исходный материал
материалы-источники
первичные материалы
первоисточник
Definitionen
Original material on which a work is based or from which it is adapted.
Information, documents, or other materials used as a basis for research, writing, or analysis.
Raw material from which something is developed or produced.
Wörter
source

adjektiv
исходный
material

substantiv
материал