1. Then a strong current of electrons follows that path from the cloud to the ground, and it is that current that illuminates the channel as the lightning we see. 然后一股强大的电子电流沿着这条路径，从云层到达地面，正是这种电流像我们看到的闪电一样照亮了通道。
2. This text illuminates the philosopher's early thinking. 这篇课文解释了这位哲学家的早期思想。
3. Webb's study illuminates the political alignments that expedition in more than a century, but it proved to be an utter failure. 韦伯的研究阐明了一个多世纪以来的政治路线，但它被证明是一个彻底的失败。
4. If a light illuminates a certain space, its intensity at twice the distance is not twice as feeble, but two times two, equal four times, as feeble. 如果一个光源照亮某一个地方，这个地方距离光源越远，光照强度会越弱，但是光照强度并不是与光源距离等比例地减弱，就是说，距离延长两倍，光照强度并不是减弱两倍，而是减弱两倍的两倍，等于减弱四倍；
5. Neither is essential to the plot, and yet each of these pieces of writing, the first no more than a page long, illuminates Ms Messud's particular gifts. 这两件事都不是小说情节所必须的，也不是段落中不可或缺的，前一个故事还没有一页长，这显示出了梅苏德女士特殊的才华。
