The climb must be powered by a high-powered ground-based light or laser aimed at a cell facing Earth, a concept known as power beaming.

升降装置必须由地面上的大功率的光或激光来提供能量，光或激光对准面向地面的电池。这就是所谓的“电力集束”概念。

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Ideally, the site will be a cavity in a tree, well off the ground, with a small entrance hole facing south, and lots of room inside for brood and honey.

从理想的角度讲，新家的地点将在一棵树的内部，离地面要有一定的距离，蜂巢座北朝南，蜂巢里也要有大量可以生育并储存蜂蜜的空间。

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If you are on the ground floor but facing the wrong direction to get much natural light, you can use a strategically placed mirror outside to reflect more light in.

如果你在第一层但是面向一个接受自然光错误的方向，你可以使用一块适当放置的镜子把光线反射进来。

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"She was half on the bed and half on the ground facing down, " Daniel told the jury.

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