a. 楼上的ad. 在楼上, 向楼上, 处于更高地位n. 楼层

◆记忆方法一：
联想方式：
up+stair+s
◆记忆方法二：
分析：up——向上；stairs——楼梯的复数形式。
记忆：在楼上就是在楼梯上面。

◆记忆方法三：
联想方式：
记忆方法：up+stair+s

• downstairs 与 upstairs 用法综述
  
  downstairs 与 upstairs 用法综述
  
  两个词虽为反义词，但用法相同，故放在一起讲述。
  1. 用作副词时，主要用作状语。如：
  I’ve left my glasses upstairs. 我把眼镜留在楼上了。
  Can you help to carry this table upstairs? 你能帮忙把桌子搬到楼上去吗？
  Downstairs, they were having tea together. 在楼下，他们在一道饮茶。
  He tripped over the cat and fell downstairs. 他被猫绊倒，从楼上摔了下去。
  另外，它们还可以用作表语、宾语补足语和用于名词后作宾语。如：
  The office that deals with passports is upstairs. 办护照的办公室在楼上。
  If you are looking for Peter you’ll find him upstairs. 如果你是在找彼得，到楼上就会找到他。

stair/upstairs/downstairs/ladder/stare/glare/glance/glimpse/scan
记忆：
1. stair [ stZE ] n. (阶梯的某)一级, 楼梯 Don’t stand on the stairs. 不要站在楼梯上。
2. upstairs [ 5Qp5stZEz ] adv. 向楼上, 在楼上, 上楼 The boy is studying upstairs in his study. 男子在楼上他的书房里学习。
3. downstairs [daJn5steEz] adv. 在楼下, 往楼下, 下楼 Hearing his voice, she rushed downstairs to meet him. 听到他的声音，她冲下楼去迎接他。
4. ladder [ 5lAdE ] n. 梯子, 阶梯 I will fetch a ladder to pick the best apple in the tree. 我将去取把梯子来摘树上最好的苹果。
5. stare [steE(r)] n. (～ at) 凝视, 盯着看 Why are you staring at me? Is there anything unusual?你为什么盯着我？有什么不寻常的事吗？
6. glare [ ^lZE] ( ~ at) n. 怒目而视 The workers glared at the foreman, saying nothing.工人们怒视着工头，什么话也没有说。
7. glance [ ^lB:ns ] vi. 扫视, 匆匆一看 n. 一瞥, 眼光, 匆匆一看 Glancing at the paper, he exclaimed that the boy copied another’s answers. 他瞥了一眼试卷，声称男孩抄了他人的答案。
8. glimpse [ ^limps ] vi. 一瞥, 一看 n. 瞥见 Suddenly, I got a glimpse of Mr. Li among the crowd. 突然，我在人群中看到了李先生。
9. scan [ skAn ] To look over quickly and systematically n. 审视,浏览,扫描 He scanned the newspaper while having his breakfast . 他吃早饭时扫了一眼报纸。
另类阅读：
Jordon went upstairs and caught a glimpse of the garden where a man was on a ladder. He stared at the man and found the man was picking his apples. He glared at the man. The man glanced in his direction, climbed down the ladder and ran away.