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单词
apterium
释义
apterium
apterium
(
æpˈtɪərɪəm
)
n
a bare patch on the skin of a bird between the feathered pterylae
apterium
apterium
[
ap′tir·ē·əm
]
(vertebrate zoology)
A bare space between feathers on a bird's skin.
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更新时间:2026/2/6 10:05:35