365bet中国官方网站

  • word of the day

    gill cleft

    gill cleft - 365bet中国官方网站 definition and meaning for word gill cleft

    Definition
    (noun) one of a series of slit openings in the pharynxes of fishes and aquatic amphibians through which water passes
    Synonyms : branchial cleft , gill slit
  • Download our Mobile App Today