화산volcano 화력firepower; thermal 화anger; fury 화요일Tuesday 화Tuesday 화재fire 포화gunfire 풍전등화a flame before the wind 화기heat of fire 화력heating power; burning power; thermal power

급감rapid decrease; sharp fall; nosedive 급증rapid increase 급행열차express train 긴급emergency 긴급회의emergency meeting 응급실ER; emergency room 초특급being very speedy 특급special express 구급relief; rescue 구급낭first aid pouch