meteorite impact crater的意思|示意

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。