极点

例句：

1. 1. The mountain is at its highest point in the summer.
   这个山在夏天达到最高点。
2. 2. The temperature reached its peak during the day.
   温度在白天达到了顶峰。
3. 3. The scientist found the limit of human endurance at the extreme point.
   科学家在极限点发现了人类耐力的极限。