| 释义 |
protochordate
protochordate (ˌprəʊtəʊˈkɔːdeɪt) n (Animals) any chordate animal of the subphyla Hemichordata (acorn worms), Urochordata (tunicates), and Cephalochordata (lancelets)adj (Animals) of or relating to protochordates EncyclopediaSeechordate |