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upper tail covert /ˌʌpə ˈɹʌdə/ n

中文：尾上覆羽

中文 · 尾上覆羽Español · cobertera superior de la colaFrançais · tectrice sus-caudale
Meaning：Short feather covering the upper portion of the base of the tail; it maintains the body’s internal temperature.
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Bird anatomy

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