pinna
US /ˈpɪn.ə/
UK /ˈpɪn.ə/
名词
1.
耳廓
the part of the ear on the outside of the head:
示例:
•
Hearing begins when sound waves that travel through the air reach the outer ear, or pinna.
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耳廓
the part of the ear on the outside of the head: