peak black

例句：

1. 1. The climber reached the peak of the mountain before sunset.
   登山者在日落前到达了山顶。
2. 2.The scientist found a new peak in the study of astrophysics.
   科学家在天体物理学研究中发现了一个新高峰。
3. 3. The company's profits have reached a peak after years of growth.
   公司的利润在经过多年的增长后达到了顶峰。