Millions of people travel by plane every single day. If you're planning on being one of them soon, you might not be looking forward to the unpleasant feeling air travel often leaves you with.

每天都会有数以百万人乘坐飞机旅行。如果你正在计划成为其中的一员，那么你可能不会希望飞机旅行经常会给你带来不愉快的感觉。

Besides the airport crowds and stress, travelling at a high altitude has real effects on the body.

除了机场的拥挤和压力以外，高空飞行确实会对身体产生实质性影响。

Although the pressure of the cabin（机舱） is adjusted to prevent altitude sickness（高空不适）, you could still experience sleepiness or a headache.

虽然为了防止高空不适，机舱内的气压已经经过了调整，但你仍然会感到困倦或头疼。

The lower oxygen pressure found in（分布） an aircraft cabin is equivalent（相当于） to that at 6,000-8,000 feet of altitude.

机舱内的低氧压相当于6000至8000英尺高度的氧压。

A drop in oxygen pressure can cause headaches in certain individuals. To help prevent headaches, drink plenty of water, and avoid alcohol and coffee.

氧压下降会造成某些人头痛。为了防止头痛，请多喝水，避免酒精和咖啡。

Airplane food might not really be as tasteless（无味） as you originally thought. The air you breathe in a plane dries out your mouth and nose, which can affect your sense of taste.

飞机上的食物可能并不像你原本想的那么无味。你在飞机上呼吸的空气会让你口鼻干燥，这会影响你的味觉。

Perception（知觉） of sweet and salty foods dropped by almost 30 percent in a simulation（模拟） of air travel.

在一次模拟飞行中，人们对甜味和咸味食物的感知度下降了近30%。

However, you can make your taste buds（味蕾） active again by drinking water. A dry mouth may reduce taste sensitivity, but taste is restored by drinking fluids.

然而，你可以通过喝水让你的味蕾再次活跃。口腔干燥可能会降低味觉敏感度，但是喝水就可以恢复味觉。

Although in-flight infections（传染病） thrive（茁壮成长） in dry environments like airplanes, your risk of getting sick from an airplane is actually low because of the air filters used.

尽管飞行中感染在飞机这样干燥的环境中很常见，但由于使用了空气过滤器，在飞机上得病的风险其实很低。

Unless you're sitting next to someone who is coughing or sneezing（打喷嚏）, you shouldn't worry too much about getting sick.

除非你坐在一个正在咳嗽或打喷嚏的人旁边，否则你根本不需要太过担心自己会感染。

However, bacteria（细菌） have been shown to live on cabin surfaces, so wash your hands frequently.

然而，已有证据表明细菌存在于机舱表面，所以要经常洗手。

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