noun ダウンロード 🔗共有 枕木 A sleeper supporting and connecting the rails, and holding them in place. Examples : "The train rumbled over the tracks, supported by hundreds of wooden crossties that kept the rails aligned. " 列車は、レールを整列させた何百本もの木製の枕木に支えられ、線路の上を走った。 structure material part building vehicle industry technical AIとチャット語彙ゲーム読解練習
