ovo·vi·vip·a·rous /ˈovoˌvaɪˈvɪp(ə)rəs/
  (a.)卵胎生的
  O·vo·vi·vip·a·rous a.  Biol. Oviparous, but hatching the egg while it is within the body, as some fishes and reptiles.
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  ovoviviparous
       adj : producing living young from eggs that hatch within the body
             [ant: viviparous, oviparous]