| 单词 | parazoan |
| 释义 | parazoan (extremely rare) n WORD FAMILY parazoan n primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies Syn|Hypo|Hyper poriferan, sponge glass sponge a siliceous sponge (with glassy spicules) of the class Hyalospongiae Venus's flower basketa deep-water marine sponge having a cylindrical skeleton of intricate glassy latticework; found in the waters of the East Indies and the eastern coast of Asia invertebrate any animal lacking a backbone or notochord; the term is not used as a scientific classification |
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