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pteridosperm

/ˈtɛr.ɪ.də.spɜːm/

翻译: 一种已灭绝的种子植物,具有蕨类状的叶片,属于苏铁蕨目或种子蕨类群。

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noun

C2formalcommonscientific/ˈtɛr.ɪ.də.spɜːm/

An extinct seed-producing plant with fern-like foliage, belonging to the order Cycadofilicales or group Pteridospermae.

  • 🇨🇳一种已灭绝的种子植物,具有蕨类状的叶片,属于苏铁蕨目或种子蕨类群。
  1. Extinct seed fern C2 formal scientific

    An extinct seed-producing plant with fern-like foliage, belonging to the order Cycadofilicales or group Pteridospermae.

    • Pteridosperms were among the first plants to produce seeds.
    • Fossils of pteridosperms are found in Carboniferous rock layers.
    • Scientists study pteridosperms to understand early plant evolution.

    🇨🇳种子蕨

  • pteridosperms plural form
  • pteridosperms' possessive plural form
  • pteridosperm's possessive singular form