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  1. Oxford Dictionary

    auricle

    • IPA[ˈɔːrɪkl]

    英式

    • n.
      a structure resembling an ear or ear lobe；the external part or pinna of the ear.

    • noun: auricle, plural noun: auricles

    • 釋義

    名詞

    • 1. a structure resembling an ear or ear lobe grass leaves often have two auricles at the junction between the leaf sheath and the blade
    • ▪ the external part or pinna of the ear.
    • 2. another term for atrium (of the heart)
    • ▪ a small muscular flap on the surface of each atrium of the heart.