noun ダウンロード 🔗共有 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. Examples : "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。 animal bird nature biology environment AIとチャット語彙ゲーム読解練習
