One keycard to access every room on the aforementioned floor, courtesy of my contact here.

这张门卡可以进入那层的每一个房间，感谢我在这儿的耳目。

So you can access the terrace from this room as well as the dining room next door.

因此，您可以从这个房间进入露台，也可以进入隔壁的餐厅。