n. air travel
你不必再为航空旅行支付高昂的费用了。
理想未来城市的愿景之一是能提供方便的航空旅行。
One vision of the perfect city of the future is a place that offers easy access to air travel.
在模拟航空旅行中，人们对咸甜食物的感知能力下降了近30%。
Perception of sweet and salty foods dropped by almost 30 percent in a simulation of air travel.
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