peak responsibility

例句：

1. 1. The peak of the mountain is visible from here.
   从这儿可以看到山顶。
2. 2. The peak of his career was in this field.
   他的职业生涯的巅峰是在这个行业。
3. 3. The peak of the season is usually around mid-August.
   季节的最高点通常在八月中旬。