noun🔗ShareコブハクチョウA white swan, Cygnus olor, found throughout Europe and much of Asia, having a distinctive orange bill with a black tip; it is not actually mute, but is not very vocal."While mute swans are known for their graceful appearance on the lake, they can hiss loudly if you get too close to their young. "コブハクチョウは湖上での優雅な姿で知られていますが、雛に近づきすぎると大きな音でシューッと鳴くことがあります。animalbirdnaturebiologyenvironmentChat with AIVocabulary GamePractice Reading