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单词
rough-winged swallow
释义
rough-winged swallow
Related to rough-winged swallow: bank swallows
rough-winged swallow
R0320250
(rŭf′wĭngd′)
n.
Either of two swallows
(Stelgidopteryx serripennis
or
S. ruficollis)
of the Americas, having outer primary feathers equipped with small barblike hooks.
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更新时间:2026/4/21 7:20:46