What appeared on his screen was something typically seen only on our own moon and other planets — a meteorite impact crater 148 feet across.
他的屏幕上出现的是一些我们通常在月球和其它行星上看见的东西- - -一个148英尺宽的陨石坑。
An iridium-enriched sediment layer and a large impact crater in the Yucatn provide evidence that a large meteorite struck Earth about 65 million years ago.
尤卡坦半岛上富含铱的沉积层和一个巨大的陨石坑提供了证据，证明了约6500万年前，一颗大型陨石撞击了地球。
The crater was formed by a meteorite impact billions of years ago, and if there were water on the planet back then, it would have accumulated in the crater, turning it into an evaporative lake.
这一撞击坑是由几百万年之前一颗陨石的撞击形成的，如果当时这颗星球上有水，这些水可能已经聚集到了撞击坑里，使其变成一个蒸发湖。
One great meteorite crater was found in Cangshan region, Shandong Province, and main impact evidences are obtained from macroscopical geologic features, local region characters and so on.
山东苍山地区发现一大型陨石坑，通过大量的勘察工作，目前已找到一些重要的证据。
One great meteorite crater was found in Cangshan region, Shandong Province, and main impact evidences are obtained from macroscopical geologic features, local region characters and so on.
山东苍山地区发现一大型陨石坑，通过大量的勘察工作，目前已找到一些重要的证据。
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