The Oxford blues won the championship.

The oxygen thieves stole all the tanks from the hospital.

The biological oxygen demands in the river have increased due to pollution.

The grunting oxen were pulling the heavy cart.

There are several hyperbaric oxygen chambers in the hospital.

The lean nitrogen oxide traps are effective in reducing emissions.

Oxygen difluorides are highly reactive compounds.

The oxacephems are a group of antibiotics.

The patients in the ICU are experiencing severe oxygen deficits.

The oceanic oxygen depletions are a major concern for marine life.