Olor
奥洛

双语例句
1
A white North American swan ( Olor columbianus) having a soft, musical trumpeting voice and a black beak with a yellow spot at the base. 

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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