oxygen free environment造句

To properly protect unsaturated fats from oxidation, it is best to keep them cool and in oxygen free environments.
Some levels have low-gravity, oxygen free environment and / or magnetic fields that interfere with the player's motion sensor.
However, due to fertilizer runoff of agriculture there are expanding dead zones in the bay, creating algae blooms on which bacteria feed, grow and then consume all the oxygen in the water . further microbes thrive in this oxygen free environment, but produce toxic gases where nothing grows.
It's difficult to find oxygen free environment in a sentence. 用oxygen free environment造句挺难的