The rate at which we breathe is controlled by the brain, which is quick to sense changes in gas concentrations.

我们呼吸的频率是由大脑控制的，当感觉到空气浓度的变化时会变快。

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The rate at which we breathe is controlled by the brain, which is quick to sense changes in gas concentrations.

我们呼吸的频率是由大脑控制的，当感觉到空气浓度的变化时会变快。

youdao