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As darkness falls over Europe, Borschberg will slowly descend to about 5,000 feet, essentially using the plane as a glider before reverting to battery power. 当欧洲的黑夜降临的时候，Borschberg会漫漫让飞机下降到5千英尺的高度，事实上，就是在动力切换为电池供能前，将飞机当作滑翔机使用。 - 2
As darkness falls over Europe, Borschberg will slowly descend to about 5, 000 feet, essentially using the plane as a glider before reverting to battery power. 当欧洲的黑夜降临的时候，Borschberg会漫漫让飞机下降到5千英尺的高度，事实上，就是在动力切换为电池供能前，将飞机当作滑翔机使用。 - 3
They also have difficulty with stairs and descend feet-first. However, researchers also report seeing quadrupeds' running ', moving agilely over rough terrain and travelling long distances. 他们上下楼梯也有困难，下楼时，用脚先下楼。但是，研究者们也报道说看到过他们“奔跑”，灵活地越过不平的地形，奔跑很长一段距离。
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