One of the things that's changed here, in the last 150 years since Jules Verne had great science-fiction concepts of what the underworld was like, is that technology has enabled us to go to these places that were previously completely unknown and speculated about.
现在,变化之一是 自从儒勒•凡尔纳 在科幻小说里描绘了地底世界的样子后, 在过去的150年里，科技已使我们能够到达一些地方 这些地方是我们先前完全不知且不能想象的。