The level of oxygen is very high in water, and you will not have any breathing problems.
水中的含氧量很高，所以你不会有任何呼吸方面的问题。
Combined with oxygen isotope testing, the analysis suggested that at least one headless millet-eater came from Eastern Europe or somewhere with access to water from high altitudes.
再加上检测同位素氧，分析表明至少有一具吃过小米的无头尸的主人，来自东欧，或者来自高海拔地区。
This type of water comes from underground sources and has low levels of oxygen, yet high amounts of sulphur and other dissolved chemicals.
这类水来源于地下水源，含氧量很低，还含有大量硫和其它化学物质。
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