noun 下载 🔗分享 耳廓，外耳。 The visible part of the ear that resides outside of the head, the auricle; outer ear excluding the ear canal. Examples : "The doctor examined the child's pinna for signs of infection, carefully looking at the outer ear. " 医生检查了孩子的耳廓（外耳），仔细观察外耳是否有感染迹象。 anatomy organ part body physiology 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 羽片，小叶。 A leaflet or primary segment of a pinnate compound leaf. Examples : "The botanist pointed to a fern and explained that each small, individual leaflet along its stem was called a pinna. " 植物學家指著一株蕨類植物，解釋說它莖上那些細小、獨立的小葉，每一片都叫做羽片。 biology plant part 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 羽毛，翅膀，鳍 A feather, wing, fin, or other similar appendage. Examples : "The scientist carefully examined the fossilized pinna of the ancient fish, noting its delicate structure. " 科学家仔细检查了这只古代鱼的化石鱼鳍，并记录了它精巧的结构。 anatomy animal biology part organism 与AI对话词汇游戏阅读练习
