natural ice天然冰
naturaladj.自然的;天然的;私生的
Natural Magnetism - Acting Ability自然的表演能力
natural industrial blossom-decline产业自然兴衰
natural and geographical environment自然地理环境
natural and regenerated silk fibroin天然和再生丝素纤维
natural conservation at county level县级自然保护区
natural thymocyte poisonous antibody天然胸腺细胞毒性抗体
Natural predator sub-commu- nity天敌亚群落
natural marine intermediate deposits天然沉积海相土
natural combustion of remaining coal遗煤自然发火
Natural colors like natural teeth.色泽栩栩如生,酷似天然牙齿。