surface pressure

例句：

1. 1.The surface pressure of the ocean is constantly changing due to wind and currents.
   海洋的表面压力因风和水流而不断变化。
2. 2.The surface pressure at the summit of Mount Everest is extremely high, making it one of the most difficult climbs in the world.
   珠穆朗玛峰的山顶表面压力极高，是世界上最艰难的攀登之一。
3. 3. The surface pressure map shows the distribution of air pressure over the Earth's surface.
   地表气压图显示了地球表面空气压力的分布情况。