충전充塡 filling in; filling up 충전기充電器 battery charger 보충補充 supplement; replenishment 불충분不充分 insufficiency; deficiency; shortage 충당充當 replenishment; supplement 충만充滿 being full; being filled; overflow 충분조건充分條件 sufficient condition 충실充實 being substantial; being full; being solid 충원充員 supplement of personnel; recruits 충일充溢 overflow; being full 충전充電 recharging 충전소充塡所 charging station 충족充足 satisfying; filling; meeting 충족감充足感 feeling of sufficiency 충혈充血 congestion; being bloodshot 필요충분조건必要充分條件 necessary and sufficient condition 확충擴充 increase; expansion; replenishment 재충전再充電 recharge