地史学 dìshǐxué historical geology Definitions Defs Origin Strokes Stroke Words Sentences Sents 地史学 地史學 dìshǐxué historical geology the branch of geology that studies the history of the earth; geohistory Frequency Written text 0.005 per million Sources Frequency data BCC Corpus (BLCU)
地史学 地史學 dìshǐxué historical geology the branch of geology that studies the history of the earth; geohistory Frequency Written text 0.005 per million Sources Frequency data BCC Corpus (BLCU)
