단구: 단구 [段丘] a bench; a terrace; a theater. 하안 ~ a river[stream] terrace. 해안 ~ a marine terrace.단구 [短句] a phrase; a short sentence.단구 [短軀] short[small] stature. ~의 of short stature / stocky. ~에 딱 벌어진 sho
구간: 구간 [舊刊] (서적의) an old edition[printing]; an old publication; (잡지의) a back number .구간 [區間] the section ; a block (of railroad track); a service area; 『數』 an interval. 승차 ~ the section of a (railway) l