영원eternity 경원maintaining a respectable aloofness 망원경telescope 불원간being before long; being in the near future 영원불멸immortality; perpetuity 영원불변eternity 영원성eternity 원거리long distance 원격remote 원경distant view

적자loss; being in the red 적갈색reddish brown 적도equator 적색red; dark red 적색경보red alert 적신호red light 적십자red cross 적외선infrared; infrared rays 적혈구red blood cell 적화turning red

해외foreign country; overseas 해외여행overseas travel; trip abroad 외국foreign country 외국어foreign language 외국인foreigner 외출going out; outing 과외extra work 교외suburb; outskirts 교외out-of-school; off-campus 국외outside a territory

호선line 출발선starting line 각선미beauty of leg lines 국내선local line; domestic service 국제선international routes 노선route; line 노선도route map; line map 선line 시선eyes; gaze 연속선continuous line