They are using a new prospecting method to quest for oil.

他们正在采用一种新的勘探方法寻找石油。

The prospecting team has traversed the length and breadth of the land.

勘探队踏遍了祖国的山山水水。

He was involved in oil, zinc and lead prospecting.

他参与了石油、锌和铅的勘探。

He spends the summers prospecting in the mountains.

他每年夏天都在山中勘探。

They spent years in prospecting without ever hitting gold.

他们勘探了多年，从未发现过金矿。