单词 | parazoan |
释义 | parazoan(ˌpærəˈzəʊən) noun any multicellular invertebrate of the group Parazoa, which consists of the sponges (phylum Porifera) Compare metazoan Word origin C19: from parazoa, formed on the model of protozoa and metazoa, from para-1 + Greek zōon animal |
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