exploration of 在 Exploration "on" or "of" - English Stack Exchange 的評價 So you can easily understand that the correct preposition to be used with the noun exploration is of or into, not on . ... <看更多>
exploration of 在 Nigeria's NNPC resumes oil exploration in Chad Basin 的評價 Nigeria is resuming oil exploration in the territory of the Chad Basin, as the country seeks to raise its reserves. ... <看更多>
