Union of Soviet Socialist Republics (now Commonwealth of Independent States)苏联(目前的) Union of Soviet Socialist Republics苏维埃社会主义共和国联 Underground Security Systems Research地下安全系统的研究 Uninterrupted Sustained Silent Reading (education)不间断的持续默读(教育) Uninterrupted Sustained Silent Reading不间断的持续默读 Unsavory Soviet Stupid Rats讨厌的苏联愚蠢的老鼠 Union of Stupid Spasticated Retards工会的愚蠢Spasticated妨碍 Ultra Simple Skirmish Rules超简单的冲突的规则 Under Sorrowful Supervision Relationship忧伤的监督下的关系 United States Smoking Repression美国吸烟的镇压 Union of Socialist Soviet Republics结合社会主义的苏联