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

할증extra charge; additional charge; premium; surcharge 증가growth; rise 증가량increased amount; multiplied amount 증가율growth rate 증감fluctuation 할증료extra charge; surcharge; premium 격증heavy swell 증가세growing trend 증강reinforcement; buildup 증대increase; expansion