| 单词 | placobranchoid |
| 释义 | placobranchoid/ˌplakə(ʊ)ˈbraŋkɔɪd/Zoology rare adjective Of, relating to, or designating members of the molluscan superfamily Placobranchoidea (also called Elysioidea, and included in the order Sacoglossa), comprising slug-like marine opisthobranch gastropods having plate-like gills covering the upper surface of the mantle. noun A mollusc of the superfamily Placobranchoidea. Origin |
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