“Social problems in the United States”的意思、由来-开放百科全书

词条	Social problems in the United States
释义	SeeSocial issueUnited States
随便看	International Airport (Philadelphia) International Airport railway station, Sydney International airports International Airports Authority of India International Airport Skopje International Airport Szczytno-Szymany International Air Services Transit Agreement International airspace International air space International Air Traffic Association International Air Transport Association airport code International A-level International Alliance of Catholic Knights International Alliance of Research Universities International Alliance of Socialist Democracy International Alphabet 5 International Amateur Athletics Federation International Amateur Boxing Association International Amateur Cycling Federation International Amateur Radio Club International American Conference International Americas Cup Class International Ammunition Association International Amnesty International Amphitheater

开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。