auricle
柯林斯词典
1. N the upper chamber of the heart; atrium 上心房
2. N a small sac in the atrium of the heart 心耳
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auricle /ˈɔːrɪkəl/
剑桥词典
auricle noun [C] (HEART)
one of the two spaces in the top part of the heart that receive blood from the veins and push it down into the ventricles (= lower spaces )
心房（心髒的一部分，在心室的後上方， 左右各一，接受廻心的血液竝將其送入心室）
auricle noun [C] (EARS)
(also pinna)the part of the ear on the outside of the head
耳廓 返回 auricle