n.[C]

1. 高原
   They have been herding cattle on the plateau for generations.

   他們世世代代在這高原上放牧。

2. （上升後的）穩定水準（或時期）
   In the seventies the U.S. space program seemed to have reached a plateau of development.

   七十年代美國的宇宙空間計畫似乎發展到了一個較高的水準。

3. 【心】學習高原（學習上無進步的停滯期）
4. （作擺設用的）碟，托盤；飾匾
5. 平頂女帽

n.

1. an area of fairly level high ground.
2. a state or period of little or no change following a period of activity or progress.

v.