Something in addition to the iron on Earth's surface must have absorbed much of the oxygen produced by plant life.
除了地球表面的铁以外，一定有什么东西吸收了植物产生的大量氧气。
One of the limiting factors in human physical performance 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。
Such water would be useless in improving physical performance, 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。
As plants spread over the planet, they absorbed CO2 from the atmosphere and released oxygen (PDF).
随着植物遍布整个地球，它们从大气中吸收CO 2并释放O 2。
The oxygen did not build up in the atmosphere for a long time, since it was absorbed by rocks that could be easily oxidized (rusted).
所以氧气并不能在空气中堆积很长时间，因为它被易氧化的石头吸收了。
The affinity between silver and oxygen is considerably high under the condition of high temperature, by which the oxygen of several times gas can be absorbed.
在高温条件下银与氧的亲和力相当大，可吸收若干倍气体的氧。
The main is to use the positive electrode to produce oxygen can be absorbed in the negative oxygen cycle, can prevent water reduction.
主要是利用正极产生氧气可在负极吸收达到氧循环，可防止水分减少。
The main is to use the positive electrode to produce oxygen can be absorbed in the negative oxygen cycle, can prevent water reduction.
主要是利用正极产生氧气可在负极吸收达到氧循环，可防止水分减少。
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