| 释义 |
whis·tling swan AHD[hwĭsʹlĭng, wĭsʹ-] D.J.[ˈhwɪslɪŋ, ˈwɪs-]K.K.[ˈhwɪslɪŋ, ˈwɪs-]n.（名词）- A white North American swan(Olor columbianus) having a soft, musical trumpeting voice and a black beak with a yellow spot at the base. 小天鹅：一种白色北美洲天鹅（哨声天鹅或小天鹅 天鹅属） 有柔和、充满乐感的象喇叭似的嗓音，黑喙，底部带有一黄点
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