ad.

1. 在樓上；往樓上
   Henry lived upstairs.

   亨利住在樓上。

   She ran upstairs.

   她往樓上跑去。

2. 往更高的地位（尤指明升暗降）
   He went upstairs to become board chairman.

   他高升為委員會的主席。

3. 在高空；往高處
   The plane tried to avoid a storm by going upstairs.

   飛機往高空飛去，以避開風暴。

a.

1. 樓上的，在樓上的[B]
   Neighbors watched from their upstairs windows.

   鄰居們從他們樓上的窗戶往外看。

2. 高水平的，上層的
   He is skilled in upstairs politics.

   他精通上層政治。

n.

1. 樓上[M]
   They had to rent out the upstairs to make mortgage payments.

   他們不得不將二樓租出去以償付抵押借款。

   The house has no upstairs.

   這房子只有一層。

adv.

adj.

n.