상하up and down 상수tap water 세상world 영상temperature above zero 탁상시계table clock 향상improvement; enhancement; progress 사상being in history 상good; top 상급반upper grades; higher grades 상급생senior student; upper classmen

계단stairs; staircase 교통수단means of transportation 구구단multiplication table 단계phase; step 수단means; method 특단being special 하단lower tier 계단식being step-like; be terraced; being tiered 고단수high-level trickster 다단multilevel; multistage; multiple columns