光线在进入这个格子时，一些特定波长的光便被加强，而其它波长的光则被滤掉，以此种方式反射光线以产生色彩。
Light entering this lattice gets bounced around in ways that generate colour by reinforcing the peaks of some wavelengths and cancelling out those of others.
安装在住宅屋顶的太阳能光伏系统则与其相反，它让光线直接照射半导体材料以产生动力。
By contrast, photovoltaic solar power systems, mostly used on home rooftops, let light interact directly with semiconductor materials to generate power.
如果我们决定离开阴影，则必须也要离开带来这阴影的光。
If we decide to run from the shadow, we must also run from the light that created it.
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