原始森林 yuánshǐsēnlín virgin forest Origin Definitions Defs Strokes Stroke Words Sentences Sents 原始 yuánshǐ adjective primitive primitive; primeval; referring to the earliest stage of human development or an unrefined state森林 sēnlín noun forest a large area of land covered with a dense growth of trees and underbrush; a complex community of plants and animals