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Sponges with6-rayed siliceous spicules; choanocytes are restricted to finger-shaped Chambers.
包含有六道边花硅质骨针的海绵；环细胞限于指状室中。
youdao
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Sponges with6-rayed siliceous spicules; choanocytes are restricted to finger-shaped Chambers.
包含有六道边花硅质骨针的海绵；环细胞限于指状室中。
youdao