The peak of a process or an activity is the point at which it is at its strongest, most successful, or most fully developed.
(过程、活动的) 顶峰
When something peaks, it reaches its highest value or its highest level.
达到峰值 • Temperatures have peaked at over 90 degrees. 温度已达到峰值,超过了90度。
The peak level or value of something is its highest level or value.
峰值的 • Today's price is 59% lower than the peak level of $1.5 million. 今天的价格比150万美元的峰值水平低了59%。