Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
两个氢原子和一个氧原子结合组成一个水分子。
When you burn a hydrocarbon fuel such as oil, its hydrogen and carbon atoms combine with oxygen from the atmosphere to create water and carbon dioxide.
当你在烧氢类燃料(如石油)时，燃料中的氢原子和碳原子与空气中的氧结合反应，生成了二氧化碳和水。
These rogue oxygen atoms can remain on their own or combine with hydrogen atoms to form reactive oxygen species (ROS), which wreak havoc with enzymes and proteins and adversely affect cell function.
这些游离的氧原子能维持它们自己的形式或者和氢原子联合成活性氧(ROS)，ROS能被酶和蛋白分解可逆性影响细胞功能。
It will also combine with oxygen to form oxides of nitrogen and, when combined with hydrogen in the presence of catalysts, will form ammonia.
它还会同氧反应生成氮的氧化物，而且当在有催化剂存在时它会同氢反应生成氨。
It will also combine with oxygen to form oxides of nitrogen and, when combined with hydrogen in the presence of catalysts, will form ammonia.
它还会同氧反应生成氮的氧化物，而且当在有催化剂存在时它会同氢反应生成氨。
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