一种可能是由含水层渗透、或地下冰融化造成的。
One possibility is that the seeps are fueled by an aquifer or melting subsurface ice.
微型无线电频率将寻找地下冰并且绘制火山口的地图。
The Miniature Radio Frequency will look for subsurface ice and map craters.
同时，孩子们放下一个溜冰场在冰箱里，琳达以其地下冰摔跤联盟负责。
Meanwhile, the kids put down an ice rink in the freezer, and Linda takes charge of their underground ice-wrestling league.
探测器将借助2.5米长的机械手臂挖掘土壤样本，采集地下冰，或者永久冻土，来研究这个红色星球上是否有生命迹象存在。
The spacecraft will use its 2.5-meter robotic arm to scoop up soil samples and collect underground ice, or permafrost, to see whether there's evidence life ever existed on the Red Planet.
探测器将借助2.5米长的机械手臂挖掘土壤样本，采集地下冰，或者永久冻土，来研究这个红色星球上是否有生命迹象存在。
The spacecraft will use its 2.5-meter robotic arm to scoop up soil samples and collect underground ice, or permafrost, to see whether there's evidence life ever existed on the Red Planet.
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