ground d ice地冰
ground-ice layer地冰层
ground-ice wedge地冰楔;底冰楔
ground-ice mound地冰堆;底冰丘
ground ice melting地下冰融化
ground ice mound地面冰丘;[地质] 土底冰丘
foliated ground ice薄层理地下冰
massive ground ice大块地下冰
ground dielectric constant ice底冰
N（名词） sea ice that is in contact with the coast or sea bed and thus not floating freely 地下冰