noun ダウンロード 🔗共有 坑道 A horizontal or nearly horizontal passage from the surface into a mine, as contrasted with a shaft or vertical entry passage. An adit may be used for ventilation, haulage, drainage, or other purposes. Examples : "The miners used the adit to bring fresh air into the deep mine. " 鉱夫たちは深い鉱山に新鮮な空気を入れるために坑道を使った。 geology architecture industry technical building AIとチャット語彙ゲーム読解練習