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词汇 sea butterfly
释义

Definition of sea butterfly in English:

sea butterfly

noun

  • A small mollusc with winglike extensions to its body which it uses for swimming.

    翼足软体动物

    Orders Thecosomata (with shells) and Gymnosomata (lacking shells), class Gastropoda

    Example sentencesExamples
    • These all feed on pteropods, or sea butterflies, one of the species most threatened by rising acidity.
    • The opisthobranchs include the sea slugs and their relatives the sea hares, sea butterflies, canoe shells, and others.
    • The divers visit a small skerrig surrounded by a kelp forest with nudibranchs, comb jellyfish and sea butterflies.

Definition of sea butterfly in US English:

sea butterfly

noun
  • another term for pteropod
    Example sentencesExamples
    • The divers visit a small skerrig surrounded by a kelp forest with nudibranchs, comb jellyfish and sea butterflies.
    • The opisthobranchs include the sea slugs and their relatives the sea hares, sea butterflies, canoe shells, and others.
    • These all feed on pteropods, or sea butterflies, one of the species most threatened by rising acidity.
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