noun ダウンロード 🔗共有 ピアノ A percussive keyboard musical instrument, usually ranging over seven octaves, with white and black colored keys, played by pressing these keys, causing hammers to strike strings Examples : "He can play "Happy Birthday" on the piano." 彼はピアノで「ハッピーバースデー」を弾けます。 music entertainment AIとチャット語彙ゲーム読解練習