natural radionuclides meaning in English

天然放射性核素

As soil and building materials contain these natural radionuclides , the dose we received therefore depends on the geological composition of the place we live and the building materials we use
地壳土壤及建筑材料内，都含有这些天然的放射性核素，因此我们吸收到的天然辐射剂量与所在地区的土质成份有关，亦与我们居所的建筑物料有关。
As soil and building materials contain these natural radionuclides , the dose we received therefore depends on the geological composition of the place we live and the building materials we use
地壳土壤及建筑材料内，都含有这些天然的放射性核素，因此我们吸收到的天然辐射剂量与所在地区的土质成份有关，亦与我们居所的建筑物料有关。