英语词汇“tundra swan”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	tundra swan
释义	tundra swan a swan, Cygnus columbianus, nesting in tundra regions of both the New and Old Worlds, having a black bill with a yellow spot at the base. Cf. whistling swan, Bewick's swan.
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