封(feng)(feng)二:封(feng)(feng)面(mian)(mian)(mian)(mian)的內頁(Inside Front Cover)。印封(feng)(feng)面(mian)(mian)(mian)(mian)那張紙不是兩面(mian)(mian)(mian)(mian)嘛,那么這兩面(mian)(mian)(mian)(mian)就分(fen)別叫封(feng)(feng)面(mian)(mian)(mian)(mian)和(he)封(feng)(feng)二了。
封(feng)三(san):封(feng)底(di)的(de)內頁(ye)(Inside Back Cover)