airborne geochemical exploration

例句：

1. 1.The aircraft was airborne over the mountains.
   飞机在山上空飞行。
2. 2. The balloon was airborne for several hours before it reached its destination.
   气球在空中飞行了几个小时才到达目的地。
3. 3.Airborne sensing technology is used to detect chemical pollutants in the atmosphere.
   空气传感技术用于检测大气中的化学物质。