adj.楼上的
n.楼上，二楼，二楼以上各层
adv.在(或向)楼上，在(或向)上一层

原形：upstairs复数：upstairs

He went upstairs and took a shower.
他上楼洗了个澡。
I heard someone was knocking on the door upstairs.
我听到楼上有人敲门。
The coffee shop you are looking for is upstairs.
你找的那家咖啡店在楼上。
I left my keys upstairs, I'll be right back.
我把钥匙忘在楼上去了，我马上回来。
The children are playing upstairs, can you keep an eye on them?
孩子们正在楼上玩，你能照看他们一下吗？
The guest bedroom is situated upstairs, just at the end of the hallway.
客房在楼上，就在走廊的尽头。
Could you pass me that book upstairs, please?
你能把楼上的那本书递给我吗？
The study where I work is located upstairs, away from the noise downstairs.
我工作的地方在楼上，远离楼下的噪音。
The bathroom upstairs has a fantastic view of the city.
楼上的浴室可以俯瞰整个城市。
I heard some strange noises coming from upstairs late last night.
昨天晚上我听到楼上传来一些奇怪的声音。
The laundry room is upstairs, feel free to use it whenever you need.
洗衣房在楼上，随时可以用。
My favorite painting hangs on the wall upstairs in the master bedroom.
我最喜欢的画挂在主卧室楼上的墙上。
After dinner, let's retreat upstairs for dessert and coffee.
晚餐后，我们上楼去吃甜点和喝咖啡。