000 $anz n 2 000 $a주제어 001 $aKSH2000035682 005 $a20021129000000 008 $a001103 n azknnaabn |a a|a | 150 $a사원(철학)[四元] 450 $wr$i영어$afour elements 550 $wh$a공기(기체)[空氣] 550 $wh$a물(액체)[水] 550 $wh$a불(타는)[火] 550 $wh$a토양[土壤] 550 $a근원(뿌리)[根源]