초단: 초단 [初段]1 [계단의 첫단] the first step of a stair; the bottom step.2 [바둑·유도 등의 첫번째단] the lowest grade of the senior class ; the first grade. 바둑 ~자 a first-grade player of paduk. 그는 태권도가 ~이다 He has reached
단파: 단파 [短波] a shortwave; a short wavelength. 초~ a very high frequency(略 VHF). 극 초~ an ultrahigh frequency(略 UHF). ~로 송신하다 shortwave . 20미터의 ~로 방송하다 broadcast on a short wavelength of 20 meters.▷ 단파 무전 a
초다짐: 초다짐 [初-] a temporary appetite-satisfier before mealtime. ~하다 eat just a bite to ease[assuage] one's hunger before mealtime; snack before mealtime.