短语词组短语residual regolith 残余风化层;残馀风化层compound regolith 复合土体weathering regolith 风化壳lunar regolith 月土壤;[地质]月表土;月壤regolith h 表皮土Regolith Explorer 风化层探测器red regolith 红色风化壳regolith slide 碎屑崩移 返回 regolith