protective-[医] 保护疗法protectiveadj.保护的；防卫的protective coating保护镀层,保护膜protective relying继电保护protective glasses护目镜protective process保护性过程protective colloid保护胶体protective enzymes[医] 保护酶protective colliod[机] 保护胶体protective custodyn.(警方)保护性监禁；保护性拘留protective package保护性包装protective bedding防毒被垫