apex of petrous part

例句：

1. 1. The apex of the mountain is visible from here.
   这座山的最高点从这里可见。
2. 2. The team achieved its apex performance in this competition.
   该团队在这次比赛中达到了其最佳表现。
3. 3. The sun reached its apex at noon.
   太阳在中午时分达到最高点。