单词ground ice
un.: 河床底冰
网络: 地下冰；地冰；河流或浅海底冰
河床底冰
According to the team, the plumes were seen over areas that show evidence of ancient ground ice or flowing water.
该小组说，在发现股流的地区，有证据证明该地区也含有远古地面冰层或流动的水。
A physical mechanism for long-term survival of ground ice in Beacon Valley, Antarctica
在南极洲Beacon流域里底冰的长期残存的一个物理机制