epigenesisWiktionary 原文英美构词拆解epiepi-前缀genesis-genesis后缀epi-Above in location or position. · Upon, atop, directly on top of in terms of position.-genesisorigin · production词源说明From epi- + -genesis.释义名词noun1(biology) The theory that an organism develops by differentiation from an unstructured egg rather than by simple enlarging of something preformed.2(geology) Changes in the mineral content