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单词 contour feather
释义

Examples of 'contour feather' in a sentence
contour feather

Moreover, based on comparisons with extant feather morphotypes they can be identified as one contour feather and two downy feathers.What reason can you assign for the fluffy base and the compact end of the contour feather?
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更新时间:2025/1/9 18:25:17