Based on the information in DNA, ribosomes make proteins to do a range of vital jobs, from making skin and bone, to building immune systems and transporting oxygen around our bodies.

核糖体按照DNA携带的信息安排蛋白质完成一系列重要的工作，包括从生成皮肤和骨骼，到建立免疫系统和向身体各部位输送氧气。

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Cardiorespiratory fitness, or aerobic fitness, is the ability of the circulatory and respiratory systems to deliver oxygen to skeletal muscles during sustained physical activity or exercise.

心肺适能，或有氧适能，是指持续体力活动或锻炼时机体循环系统和呼吸系统向骨骼肌供氧的能力。

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Predatory dinosaurs appear to have developed birdlike respiratory systems able to take in large amounts of oxygen.

食肉的恐龙看来更具有与鸟类一样发达的肌肉系统，从而能够吸人大量的氧气。

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"If you have an imbalance, or literally too much nitrogen and too much phosphorous getting into those systems, you can essentially deplete the oxygen in that water.

VOA: standard.2010.08.04

The few that remained in the raceways died because the intake systems, which inject oxygen, were clogged with debris.

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Upgrading Homegrocer's computer systems will only add more oxygen to the fire.

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