名词

1. 高原
A plateau is a large area of high and fairly flat land.

2. （活动或进程中的）稳定阶段，停滞时期
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.

3. （活动、进程、成本等）达到稳定阶段，进入停滞时期
If something such as an activity, process, or cost plateaus or plateaus out, it reaches a stage where there is no further change or development.

1. a relatively flat highland

Synonym: tableland