earthedadj.接地的；通地的动词earth的过去式和过去分词形式.earthn.地球；泥土；世间earth radius地球半径earth tremor地颤动earth luster土光泽earth figure地球形状earth-film地膜earthnut oil花生油earth-fill填土earth albedo地球反射率earth tester接地检查仪,兆欧表, 接地测验器(摇表)earthed pole接地杆