古地質學 gǔdìzhìxué paleogeology Definitions Defs Origin Strokes Stroke Words Sentences Sents 古 gǔ adjective ancient ancient; old; from the distant past; referring to former times as opposed to the present地质学 地質學 dìzhìxué noun geology the scientific study of the origin, history, and structure of the earth, including the study of rocks and minerals
