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诸多线索综合起来为我们描绘出一幅画面：那是火星遥远的过去，那时的火星还有着一层厚厚的大气层，令这颗星球温热暖和，从而使水能够在火星表面流淌。但如今，地表的水消失不见，而
60秒科学
Newsworthy Clips 2 Lake of Warning System hindered Scientists Who Saw Early Threat By James Janega / 2004, as first appeared in Chicago Tribune . KRT. Distributed by TMSI. With a killer tsunami bearin
彭蒙惠英语
I tried to intervene one last time. 我想做最后一次调解。 But I had barely queried Captain Nemo when the latter silenced me: 但我刚一喊尼摩船长，他就让我住嘴。 I'm the law, I'm the tribunal! 我就是公理！我就是正义！
《海底两万里》中英双语有声读物
The clues are adding up to give a picture of a distant Martian past, when the planet had a thick atmosphere that was warm enough for water to stream on the surface. But now the waters gone, and the atmosphere is so thin that any water would boil away
Scientific American(十)月
These are the normal navigational instruments, I replied, and I'm familiar with their uses. 这些是航海家常用的仪器，我答，我知道它们的用法。我现在看见的这个表盘，上面有能转动的针，那不是流体压力计吗？
《海底两万里》中英双语有声读物
When you look at a lake, you are looking at a collection of molecules that have been there on average for about a decade. 要是你望一眼湖水，你看到的是一大堆分子，它们在那里平均已达10年之久。 In the ocean the residence
万物简史