em.bry.ol.o.gy
n.（名词）The branch of biology that deals with the formation, early growth, and development of living organisms.胚胎学：研究活着的有机体的形成、早期发育和发展的生物学的分支The embryonic structure or development of a particular organism.发生学：一种特定有机体的胚胎的结构或发展
【引伸】
em.bryolog.ic
em.bryolog.ically
adv.（副词）em.bryol.ogist
n.（名词）
