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

협조cooperation; help; support 구조rescue 보조help; subsidy 보조원assistant 보조적being supplementary 보조적supplementary; auxiliary 조언advice 공조cooperation; mutual assistance 구조대relief squad; rescue unit 구조대원rescue worker