The radioactive material is stored in a special radiation-proof container. 放射性材料贮存在防辐射的特殊容器内。
Tongchuan city officials believe the radioactive material - and its protective container - are likely to have been melted down. 铜川市官员认为,这快放射性材料,及其保护外壳,可能已经被熔化了。