peak base

例句：

1. 1. The mountain'speak is visible from the city.
   这座山的顶点从城市可见。
2. 2. Thecompany's base inShanghai has grown significantly.
   该公司在上海的基地已经显著增长。
3. 3. The economyreached a new peak during the boom years.
   在繁荣时期，经济达到了一个新的高点。