This gas is two parts hydrogen and one part oxygen.
这种气体是两部分氢气和氧气的一部分。
Two part hydrogen, one part oxygen, you'll get water every time.
两份氢，一份氧，获得的总是水。
If we analyse water, we find that it is made up of two parts of hydrogen and one part of oxygen.
如果我们分析水，我们就会发现它是由两个氢分子一个氧分子构成的。
When this happens, the small blood vessels shrink and the amount of hemoglobin that is needed to move oxygen from one part of the body to another.
在这种情况下，小血管收缩和数额的血红蛋白是需要提出氧气从一个身体的一部分到另一个地方。
Hydrogen peroxide is a part of the oxygen reduction pathway, produced by the two-electron reduction of molecular oxygen, or by the one electron reduction of superoxide anion radical.
过氧化氢是氧还原途径的产物，由分子氧双电子还原或者超氧阴离子自由基单电子还原产生。
Hydrogen peroxide is a part of the oxygen reduction pathway, produced by the two-electron reduction of molecular oxygen, or by the one electron reduction of superoxide anion radical.
过氧化氢是氧还原途径的产物，由分子氧双电子还原或者超氧阴离子自由基单电子还原产生。
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