When people in Nepal very big-mouth, feet and more likely to allow gas exhaled in vitro in order to exhaled carbon dioxide, sucked into oxygen.
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sucked into oxygen
吸入氧气
以上为机器翻译结果，长、整句建议使用 人工翻译 。
When you take a breath, air is sucked into your lungs and oxygen diffuses across into your bloodstream.
当你呼吸的时候，空气吸进你的肺而氧气扩散进入你的血流。
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