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单词 whistling swan
释义
whis·tling swan (wĭslĭng, hwĭs-)
n.
A subspecies (Cygnus columbianus subsp. columbianus) of the tundra swan found in North America and having a clear, honking call and a black beak with a yellow spot at the base.

[Named by Meriwether Lewis after its call, the first part of which reminded him of whistling.]
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更新时间:2025/1/23 12:22:33