pinna

US /'pɪnə/

UK /'pɪnə/

A1 初級
n.名詞羽片
n.名詞耳廓
The pinna helps to collect and direct sound waves into the ear canal.
n.名詞羽片
Each pinna on the fern frond contributes to the overall surface area for photosynthesis.

影片字幕