noun🔗Share海底拡大The outward movement of the seafloor from central underwater ridges as a result of plate tectonics; the major cause of continental drift."Scientists study seafloor spreading to understand how continents move over millions of years. "科学者たちは、大陸が何百万年もの間にどのように移動するかを理解するために、海底拡大を研究しています。geologygeographyoceanenvironmentnaturescienceChat with AIVocabulary GamePractice Reading
