수심water level; depth of water 심각성seriousness; magnitude; severity 심도depth 심사숙고meditation; deep thought 심야dead of the night; late night 심연deep pond 심해deep sea; deep waters; abyss 심호흡deep breath; deep respiration 심화deepening

층layer 각층all levels; all walks of life 계층class 고층upper floors 단층being one-storied 저층lower floors 청년층youth 초고층skyscraper 최상층top floor; top layer 최하층bottom floor; the lowest floor