Two final problems illuminate the nation 's vulnerability to disasters .
最后两个问题阐明了这个国家面对灾难时的弱点。
But his mistakes illuminate useful truths : that all people share certain aspirations and that history is wide open .
但是他的错误却启发出了有用的真理：所有的人都有一些渴求，而历史是敞开的。
A friend of mine says , " if I were a lamp , I would illuminate darkness with my light . "
一个朋友说过：“我若是灯，我就要用我的光明来照彻黑暗。”
The spacecraft mapped shackleton crater with unprecedented detail , using a laser to illuminate the crater 's interior and measure its albedo or natural reflectance .
