peak of negative pressure

例句：

1. 1. The sun reached its peak at noon.
   太阳在中午时达到最高点。
2. 2. The mountain's peak is visible from the top of the cable car.
   从缆车顶部可以看到这座山的顶峰。
3. 3. The economy reached a new peak in 2008.
   经济在2008年达到了一个新的高点。