Although the pressure of the cabin is adjusted to prevent altitude sickness, you could still experience sleepiness or a headache.
虽然机舱压力可以被调节，以避免人体发生高空反应，但你仍会感到困倦或头痛。
The lower oxygen pressure found in an aircraft cabin is equivalent to that at 6,000-8,000 feet of altitude.
机舱里的氧分压会更低，其数值跟6000到8000英尺高空的氧分压值一样。
In the air, passengers lose about 30% of their ability to taste as a result of extremely dry cabin conditions and high-altitude pressure inside airplanes.
在高空飞行时，乘客会丧失大约30%的味觉，原因是机舱中极度干燥的环境和高空压力。
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