The kind that we breathe is made of diatomic molecules, which means each molecule has two atoms.
2
维生素a是一种可以分解对皮肤有害的不稳定的氧分子的抗氧化物。
Choose a moisturizing eye cream that contains vitamins a, k, and C. vitamin a is an antioxidant that breaks down unstable oxygen molecules that would otherwise harm your skin.
3
平流层大气包含臭氧层，臭氧层由紫外线照射导致的三个氧原子结合成的臭氧分子组成。
The still air of the stratosphere contains the ozone layer, which was created when ultraviolet light caused trios of oxygen atoms to bind together into ozone molecules.
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