Yahoo! Messenger雅虎!使者 Yemenn. 也门 Yehudi Menuhin (classical violinist)Yehudi古典小提琴Menuhin() You Misspelt你Misspelt Young Men (Church of Jesus Christ of Latter-day Saints youth program)年轻的男人(耶稣基督末世圣徒教会青年程序) Yield Maintenance产量维持 Yngwie Malmsteen (guitarist)Yngwie Malmsteen(吉他手) Yardmaster (railroads)Yardmaster(铁路) Young Mommies (website)年轻的妈妈(网站) You Moron你这个笨蛋 Young Marines (Marine Corps League)年轻的海军陆战队联盟() Young & Modern年轻的和现代的 Yottameter (10 E24, one septillion)Yottameter(10 E24,一个septillion) YesmailYesmail You Mean ...你的意思是……