1. 胚胎
An embryo is an unborn animal or human being in the very early stages of development.

2. (想法、体系或机构)萌芽阶段的，初期的
An embryo idea, system, or organization is in the very early stages of development, but is expected to grow stronger.

3. 在萌芽期;在初期
Something that is in embryo is at a very early stage of its development.

1. an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life

Synonym: conceptusfertilized egg

2. (botany) a minute rudimentary plant contained within a seed or an archegonium