earthworm [i 4:R'w$:Rm ]    (순위: 8935 - 대학 수준)  
 명) 땅 속에 사는 벌레;지렁이
Mean Any of various terrestrial annelid worms of the class Oligochaeta, especially those of the family Lumbricidae, that burrow into and help aerate and enrich soil.