| 单词 | pinna |
| 释义 | pinna (once / 37052 pages) 1n 2n WORD FAMILY pinna: pinnae, pinnas USAGE EXAMPLESAdapting well to arid shade, its leathery holly-like leaflets are called pinnae and help sustain it during drier conditions. Los Angeles Times(May 19, 2016) It turns out these pieces—also called pinnae or auricula—act like funnels: They collect, amplify and direct sound waves to the ear canal. Scientific American(Nov 19, 2015) Every spring Vigo goes diving to cut the solidified saliva of a large clam, known in Latin as Pinna Nobilis. BBC(Sep 01, 2015) 1 n division of a usually pinnately divided leaf 2Syn|Hyper pinnule leaflet part of a compound leaf n the externally visible cartilaginous structure of the external ear Syn|Hypo|Hyper auricle, ear cauliflower ear an auricle deformed by injury; common among boxers cartilaginous structure body structure given shape by cartilage |
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