Home/extraembryonicextraembryonic/ek-struh-em-bree-on-ik/US // ˌɛk strəˌɛm briˈɒn ɪk //胚胎外,胚胎外的,胚外,胚胎外骨骼Definitionsadj.形容词 adjective1: situated outside the embryo.: pertaining to structures outside the embryo.Level 5Browse all words →