Inside I breathe my exhalations. Yet the air is fresh, blown by fans.
在这里，我吸入的是自己呼出的气体，不过，在风扇的吹动下，空气依然清新。
It holds a wide tube that will route my exhalations into plastic bags for analysis.
在上面一支大口径管，会把呼出的气体收集到塑料袋中用来分析。
It holds a wide tube that will route my exhalations into plastic bags for analysis.
在上面一支大口径管，会把呼出的气体收集到塑料袋中用来分析。
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