adj .
undeveloped ; rudimentary 미개발의 ; 형성기의, 초보의

• An embryo is any unborn animal or unformed plant that is in the very earliest stages of development. Embryonic can also have a broader meaning.
• The plans for the new building are pretty _____ at this point ; in fact, they consist of a single sketch on the back of a cocktail napkin.
• Our fund-raising campaign has passed the _____ stage but it still hasn't officially gotten under way.
  우리의 기금마련 행사는 초기 단계를 지났다. 그러나 공식적으로는 여전히 진행이 안 되고 있다.