발전, 개발發展, 開發 (필 발, 펼 전, 열 개, 필 발)
baljeon, gaebal
TTdezenvolvimentu
ENdevelopment; advancement; progress; exploitation
명사
Médiu / 중급
topik2
baljeon, gaebal
TTdezenvolvimentu
ENdevelopment; advancement; progress; exploitation