词典释义：
释义
n.
a flap of material on a hat or cap, covering the ear
（帽子上可放下护耳的）耳扇，帽耳。
a part of an animal's outer ear which extends out from the head as a fleshy flap or lobe
（动物外耳的）耳垂。
易错必背词
词源
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