[Tech columnist Walter S. Mossberg answers readers' questions]
在本期莫博士信箱中，莫博士回答了关于能否在iPad电子书程序之间转移电子书及电子阅读器背光功能两个问题。
问：在你最近测试的几个iPad电子书程序之间可以转移电子书吗？
A: No. Books purchased from the Amazon, Barnes & Noble and Apple online bookstores are stored separately online and on the iPad, and none of the apps has a transfermechanism. Plus, the books likely use incompatible copy-protection systems. If you download to your computer an unprotected public-domain book in a format compatible with one of these -- or another e-reader app I didn't review -- it may be possible to read that book in more than one of these apps, but I didn't test that.
答：不可以。从亚马逊、Barnes & Noble和苹果在线书店里购买的书被单独地存储在网上和iPad上，三个程序都没有转移功能。另外，这些书可能用了不兼容的版权保护系统。如果你将一本未受保护的公共领域的书以与这些程序或其他我没有测试的程序相兼容的格式下载到电脑上，也许可以在多个程序里阅读这本书，但我并未对此进行测试。
Q: My wife and I often like to read if we awaken during the night. Are any of the e-readers back-lit, i.e. usable in the dark?
问：我和我的妻子晚上醒来时经常喜欢读书。这些阅读器有背光的么，即在黑暗中也可以使用？
A: None of the leading dedicated e-readers, such as Amazon's Kindle or the Sony Reader, is backlit. In fact, they use special screens without backlighting to extend the battery life and make reading in sunlight easier. However, there are small accessory lights you can buy for these dedicated readers.
答：亚马逊的Kindle、索尼的Reader等流行的几款专门的电子阅读器都没有背光功能。事实上，它们使用了无背光的特殊屏幕以延长电池寿命并使得在阳光下阅读更容易。但是，你可以购买小型的附件灯来协助阅读。
Also, the iPad, which I consider a very good e-reader, is backlit. If you're willing to read on a small screen, you could use an e-reader app on numerous Android, BlackBerry, or Apple smartphones, or on the 5' Dell Streak Android tablet. All of these devices are backlit.
同时， iPad是背光的，我说过它是一个很好的阅读器。如果你喜欢在小屏幕上阅读，可以在Android、黑莓或苹果等智能手机或者戴尔5英寸屏幕的Streak Anroid平板手机上使用电子阅读程序。这些手机都有背光功能。
Walter S. Mossberg
- transfer [træns´fə:]
v.&n.迁移；调动；转让 (初中英语单词) - computer [kəm´pju:tə] n.计算机；电子计算器 (初中英语单词)
- review [ri´vju:] v.&n.复习；回顾；检查 (初中英语单词)
- awaken [ə´weikən] v.唤起，叫醒 (初中英语单词)
- reading [´ri:diŋ] n.(阅)读；朗读；读物 (初中英语单词)
- sunlight [´sʌnlait] n.日光 (初中英语单词)
- willing [´wiliŋ] a.情愿的，乐意的 (初中英语单词)
- screen [skri:n] n.银幕 vt.遮蔽 (初中英语单词)
- kindle [´kindl] v.点燃；(使)激动 (高中英语单词)
- battery [´bætəri] n.炮兵连；炮台；电池 (高中英语单词)
- streak [stri:k] n.纹理 v.用线条(条纹) (高中英语单词)
- tablet [´tæblit] n.碑；牌；匾额 (高中英语单词)
- amazon [´æməzən] n.女战士 (英语四级单词)
- separately [´sepəritli] ad.分离地；孤独地 (英语四级单词)
- mechanism [´mekənizəm] n.机械装置；机制 (英语四级单词)
- accessory [ək´sesəri] n.附件；帮凶 a.附属的 (英语四级单词)
- blackberry [´blækbəri] n.黑莓 (英语四级单词)
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