他们吸入空气,然后把氧气提取出来并进入血液的流动中,被带到需要氧气来维持功能的组织和器官中。
They breathe in air, then extract the oxygen and pass it into the bloodstream, where it's rushed off to the tissues and organs that require it to function.
当攀登者接近珠穆朗玛峰的顶部时,他们很难吸入空气。
It's very hard for the climbers to take in air as they get near the top of Qomolangma.
他们吸入不良燃料导致的室内空气污染。
They’re breathing indoor air pollution caused by poor fuels.
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