联合国安全理事会 liánhéguó'ānquánlǐshìhuì UN Security Council Definitions Defs Origin Strokes Stroke Words Sentences Sents 联合国 聯合國 liánhéguó United Nations International organization established in 1945 to maintain world peace and security and to promote cooperation among nations安全理事会 安全理事會 ānquánlǐshìhuì UN Security Council United Nations Security Council; often used as a short form for 联合国安全理事会 liánhéguó'ānquánlǐshìhuì