plateau /ˈplætəʊ/ CET6 TEM4

• 1. 

  N-COUNT A plateau is a large area of high and fairly flat land. 高原

  例：

  A broad valley opened up leading to a high, flat plateau of cultivated land.

  一个宽阔的山谷展开，通向一片平坦的高原耕地。

• 2. 

  N-COUNT If you say that an activity or process has reached a plateau, you mean that it has reached a stage where there is no further change or development. (不再有变化或进展的) 稳定阶段

  例：

  The U.S. heroin market now appears to have reached a plateau.

  美国的海洛因市场目前似乎已进入了一个稳定阶段。