不要。upstairs是副词。
upstairs
KK: []
DJ: []
ad.
1. 在楼上;往楼上
Henry lived upstairs.
亨利住在楼上。
She ran upstairs.
她往楼上跑去。
2. 往更高的地位(尤指明升暗降)
He went upstairs to become board chairman.
他高升为委员会的主席。
3. 在高空;往高处
The plane tried to avoid a storm by going upstairs.
飞机往高空飞去,以避开风暴。
a.
1. 楼上的,在楼上的[B]
Neighbors watched from their upstairs windows.
邻居们从他们楼上的窗户往外看。
2. 高水平的,上层的
He is skilled in upstairs politics.
他精通上层政治。
n.
1. 楼上[M]
They had to rent out the upstairs to make mortgage payments.
他们不得不将二楼租出去以偿付抵押借款。
The house has no upstairs.
这房子只有一层。
