Vocab Bloom Hub

twice-pinnate

/twaɪs ˈpɪn.eɪt/

翻译: 植物学术语,指叶片呈二回羽状复叶,即叶轴分生两次羽片,小叶着生在二级羽片轴上。

1 个条目

noun

/twaɪs ˈpɪn.eɪt/C2formalscientific
  • zh植物学术语,指叶片呈二回羽状复叶,即叶轴分生两次羽片,小叶着生在二级羽片轴上。

A botanical term describing a leaf that is pinnate with two pairs of leaflets, meaning the leaf is divided twice in a feather-like pattern.

  1. A leaf with two pairs of leafletsC2formal

    A type of pinnate leaf that has two pairs of leaflets arranged along a central stem.

    zh二回羽状叶

    • The botanist identified the plant by its twice-pinnate leaf structure.
    • A twice-pinnate leaf is common in certain fern species.
    • The diagram showed a twice-pinnate leaf with two distinct pairs of leaflets.