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1. Oxford American Dictionary

   vascular bundle

   • IPA[ˈvaskyələr ˈbəndl]

   • n.
     a strand of conducting vessels in the stem or leaves of a plant, typically with phloem on the outside and xylem on the inside.

   • noun: vascular bundle, plural noun: vascular bundles

2. • 更多解釋

   vascular bundle

   • n.
     a strand of conducting vessels in the stem or leaves of a plant, typically with phloem on the ...

   Oxford Dictionary