common harrier of North America and Europe; nests in marshes and open land 同义词：northern harrier, hen harrier, Circus cyaneus,
例句与用法
1.
Any of various slender , narrow - winged hawks of the genus circus , such as the marsh hawk , that prey on small animals 各种瘦长窄翅膀的、以捕食小动物为生的鹞属鹰类中的任何一种，例如丛林鹰
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