Animal cells lose their totipotency at an early stage in embryonic development.
动物细胞在胚胎发育的较早阶段便失去了其全能性。
It is said that the disease is caused by abnormal development on endolymphatic duct in early embryonic stage, and the principal inducement is infectious factor.
认为该病为胚胎发育性疾病，其发生与胚胎早期内淋巴管发育障碍有关，感染是其主要诱因。
Yet, all being well, it will become one—for a blastocyst is an early stage in embryonic development.
然而，如果这些胚泡细胞发育得当，它们的确可以生长成一个人，因为胚泡是胚胎发育的早期阶段。
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