點去艾菲爾鐵塔(由巴黎機場開始)

If you go to Eiffel Tower directly from the airport, here is the route

Take the RER line B from CDG airport to Denfert Rochereau station (於機場搭 B 線 RER 出市區的 Denfert Rochereau 站)
In Denfert Rochereau station, change to metro line 6, direction Charles de Gaulle Etolies (於 Denfert Rochereau 站轉乘 6 線 metro, Charles de Gaulle Etolies 方向的列車)
Get off the train at the station of Bir Hakeim or Trocadero. Then walk for 5 minutes, you can find the Eiffel Tower (於 Bir Hakeim 或 Trocadero 站下車, 步行 5 分鐘即到)