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epiphragm
[ˈepɪfræm]

  • n. 膜厣,冬盖

网络释义专业释义英英释义

  [无脊椎] 膜厣

... 膜口目 Hymenostomatida 膜厣 epiphragm 末体 opisthosoma ...

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  [无脊椎] 冬盖

... epipharynx 上唇器 epiphragm 膜厣;冬盖 epiphyseal 脑上体的 ...

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  • 顶膜
    (某些越冬陆生贝类螺口上覆盖的)膜厣
    冬盖
    盖膜

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Epiphragm

  • abstract: An epiphragm is a temporary structure which can be created by many species of shelled, air-breathing land snails, terrestrial pulmonate gastropod mollusks. It can also be created by freshwater snails when temporary pools dry up.

以上来源于: WordNet

 柯林斯英汉双解大词典 

epiphragm /ˈɛpɪˌfræm/

  • 1. 

    N a disc of calcium phosphate and mucilage secreted by snails over the aperture of their shells before hibernation (蜗牛)冬盖

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