在火星上存在冰这并不足以令人惊讶，令人惊讶的是冰的纯度之高和埋藏冰原的范围之广。
The presence of ice on Mars is not a surprise, although the purity and extent of the buried ice sheets is.
在北半球最近碰撞形成的五个陨石坑掀起的岩屑中，发现了埋藏的冰。
The buried ice was spotted in debris thrown up in five recent northern hemisphere impact craters.
「月球陨石坑观察与感卫星」太空总署的「月球陨石坑观察与感测卫星」（LCROSS），上个月撞入月球南极附近一个永久阴暗的陨石坑，探测下面是否埋藏了冰。
NASA's Lunar Crater Observation and Sensing Satellite, or LCROSS, last month slammed into one of moon's permanently shadowed craters near the south pole to study whether ice was buried underneath.
应用推荐