英语释义
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n. Any one of several species of small plovers of the genus
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Aegialitis, having a ring around the neck. The ring is black in summer,
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but becomes brown or gray in winter. The semipalmated plover (Ae.
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semipalmata) and the piping plover (Ae. meloda) are common North
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American species. Called also ring plover, and ring-necked plover.
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n. The ring-necked duck.