单词 | pinna |
释义 | pin·na (pĭnə) n. pl. pin·nae (pĭnē) or pin·nas 1. Botany A leaflet or primary division of a pinnately compound leaf. 2. Zoology A feather, wing, fin, or similar appendage. 3. Anatomy See auricle. [Latin, feather; see pet- in the Appendix of Indo-European roots.] pinnal adj. |
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