swan [ swɔn, swɔ:n ]

• n. stately heavy-bodied aquatic bird with very long neck and usually white plumage as adult
• v.
  • to declare or affirm solemnly and formally as true

    同义词： affirm verify assert avow aver swear

  • move about aimlessly or without any destination, often in search of food or employment

    同义词： roll wander stray tramp roam cast ramble rove range drift vagabond

  • sweep majestically

    "Airplanes were swanning over the mountains"

以上来源于: WordNet