短语词组短語residual regolith 殘餘風化層;殘馀風化層compound regolith 複郃土躰weathering regolith 風化殼lunar regolith 月土壤;[地質]月表土;月壤regolith h 表皮土Regolith Explorer 風化層探測器red regolith 紅色風化殼regolith slide 碎屑崩移 返回 regolith