Other archaeologists have identified the immediate cause of this abandonment to be a series of short growing seasons that would have put pressure on corn production at that high an altitude.
A suit that maintains a stable pressure around its occupant; useful in both space exploration and high-altitude flights.
这种在使用者周围保持一个稳定压力的衣服被用于空间探索和高空飞行。
3
In the air, passengers lose about 30% of their ability to taste as a result of extremely dry cabin conditions and high-altitudepressure inside airplanes.