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同义词: urochordate urochord
以上来源于: WordNet
N any minute primitive marine chordate animal of the subphylum Tunicata (or Urochordata, Urochorda). The adults have a saclike unsegmented body enclosed in a cellulose-like outer covering (tunic) and only the larval forms have a notochord: includes the sea squirts 被囊动物 → see also ascidian
ADJ of, relating to, or belonging to the subphylum Tunicata 被囊类亚门的; 属于被囊类亚门的
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