谢谢3楼、4楼、5楼的回答。后来仔细看了下,貌似是书本身的问题,不是单词本的原因。用calibre转换了下格式就好了。之前连着试了几本书都不能添加到单词本也是醉了。给个类似的案例:
http://www.amazon.com/gp/help/customer/forums/kindleqna?ie=UTF8&cdForum=Fx1GLDPZMNR1X53&cdThread=Tx1SATVDKXU8RS5
http://www.amazon.com/gp/help/customer/forums/kindleqna?ie=UTF8&cdForum=Fx1GLDPZMNR1X53&cdThread=Tx1SATVDKXU8RS5