US News &World Report ranked Penn 6th for undergraduate education in 2008 rankings, fourth in the Ivy League behind Havard , Princetonand Yale .是什么意思_US News &World Report ranked Penn 6th for undergraduate education in 2008 rankings, fourth in the Ivy League behind Havard , Princetonand Yale .在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句