A left-of-centre political party in Northern Ireland, formed in 1970 and supported largely by Catholics. It calls for the establishment of a united Ireland by constitutional means, and rejects the violent tactics of the IRA.
社会民主工党（北爱尔兰的一个立场中间偏左的政党，1970年成立，主要由天主教支持。它号召通过制宪的方式建立一个统一的爱尔兰共和国，反对爱尔兰共和军的暴力策略）