用upstairs 造句。

upstairs 有两个词性:
1.adv.向楼上, 在楼上, 上楼
2.adj.楼上的

He went upstairs to go to bed.
他上楼去睡觉.

The upstairs bedroom is for you.
楼上的卧房是给你的.

The man who lives upstairs comes back late everyday.

The cat belongs to the people who live upstairs.
She went upstairs to get dressed.
We've converted the upstairs into an office.

I walk down the upstairs

come upstairs 上来

Go upstairs!