n.[C]

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

   他们世世代代在这高原上放牧。

2. （上升后的）稳定水平（或时期）
   In the seventies the U.S. space program seemed to have reached a plateau of development.

   七十年代美国的宇宙空间计划似乎发展到了一个较高的水平。

3. 【心】学习高原（学习上无进步的停滞期）
4. （作摆设用的）碟，托盘；饰匾
5. 平顶女帽

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.