최저the lowest; bottom 최저가the lowest price; lowest price 저급being low; being low-skilled 저음being low-pitched; being deep; low note 저층lower floors 저학년lower grade 최저치lowest value 고저highs and lows 동고서저east high and west low 저가being cheap; being low-end

연탄briquet 탄광coal mine; pit 탄광촌coal-mining town 탄산carbonic acid 탄산음료soda; carbonated drink 탄소carbon 탄수화물carbohydrate 구공탄coal briquette 도탄distress 목탄charcoal

평소ordinary times 소재material 요소element; component; factor; requisite 탄소carbon 혈색소hemoglobin 형태소morpheme 화소pixel 활력소tonic; energizer; shot in the arm; refresher 효소enzyme 간소화simplification