noun ダウンロード 🔗共有 肘掛け Part of the seat of a chair that is designed to support the arm. Examples : "He rested his elbow on the airplane's armrest during the long flight. " 彼は長いフライト中、飛行機の肘掛けに肘を置いていた。 part item structure AIとチャット語彙ゲーム読解練習