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单词	pinna
释义	pinna noun pin·​na ˈpi-nə  plural pinnae ˈpi-ˌnē  -ˌnī or pinnas 1 a : a projecting body part (such as a feather, wing, or fin) b : the largely cartilaginous projecting portion of the external ear see ear illustration 2 : a leaflet or primary division of a pinnate leaf or frond Example Sentences Recent Examples on the Web Humans do have weak vestigial muscles attached to the shell of the ear, called the auricle or pinna, as well as evidence of a vestigial nervous system, which could have functioned to orient the ears. C. Claiborne Ray, New York Times, 16 Jan. 2017 Word History Etymology New Latin, from Latin, feather, wing — more at pen First Known Use 1682, in the meaning defined at sense 2 Medical Definition pinna noun pin·​na ˈpin-ə  plural pinnae ˈpin-ˌē  -ˌī  or pinnas : the largely cartilaginous projecting portion of the external ear
随便看	imprinted stamp imprinter imprinters imprinting imprintings imprints imprison imprisonable imprisoned imprisoners imprisoning imprisonment imprisonments imprisons improbabilities improbability improbable improbableness improbablenesses improbably improbation improbations improbative improbatory improbities

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。