One of the limiting factors in human physicalperformance is the amount of oxygen that is absorbed by the muscles from the bloodstream.
限制人体体能表现的因素之一是肌肉从血液中吸收的氧气量。
2
Such water would be useless in improving physicalperformance, however, since the only way to get oxygen into the bloodstream so that it can be absorbed by the muscles is through the lungs.
然而,这样的水对提高身体机能毫无用处,因为只有通过肺部才能将氧气吸入血液,从而被肌肉吸收。
3
It's not just physicalperformance that is affected.