noun ダウンロード 🔗共有 コアラ A tree-dwelling marsupial, Phascolarctos cinereus, that resembles a small bear with a broad head, large ears and sharp claws, mainly found in eastern Australia. Examples : "Many tourists travel to Australia to see koalas in their natural habitat. " 多くの観光客が、コアラを自然の生息地で見ようとオーストラリアを訪れます。 animal biology organism nature environment AIとチャット語彙ゲーム読解練習