auricle
noun /ˈɔːrɪkl/
/ˈɔːrɪkl/
(anatomy- either of the two upper spaces in the heart used to send blood around the body
synonym atrium compare ventricle心耳 - the outer part of the ear
耳郭;耳廓
词源late Middle English: from Latin auricula ‘external part of the ear’, diminutive of auris ‘ear’.