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单词 opisthobranch
释义
o·pis·tho·branch (ə-pĭsthə-brăngk)
n. pl. o·pis·tho·branchs
Any of a group of marine gastropods characterized by gills located behind the heart, a shell that is reduced or absent, and two pairs of tentacles, and including the sea slugs and the sea butterflies.

[From New Latin Opisthobranchia, former subclass name : Greek opistho-, behind; see OPISTHOGNATHOUS + Greek brankhia, gills.]
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更新时间:2025/2/23 15:00:55