pristine state造句怎么写

Although subsurface regions in a pristine state often have O2 concentrations approaching saturation, the penetration of small amounts of organic matter into these structures can quickly lead to O2 depletion.

Not a huge amount, but enough to balance the equations and restore the laws of thermodynamics to their pristine state.

True cloning, as first shown with Dolly the sheep two years ago, involves taking a developed cell and reactivating the genome within, resetting its developmental instructions to a pristine state.