English to Chinese Tech/Engineering IT (Information Technology) Android 4.4 KitKat

Thank goodness—we can finally put to rest to all of the rumors and speculation. Google pulled the curtain on Android 4.4 KitKat Thursday, announcing the new mobile OS will appear first in the forthcoming Nexus 5 handset, which goes on sale for $349.
谢天谢地，我们终于可以让种种传闻和猜测烟消云散了。谷歌近日为安卓4.4 KitKat揭开了神秘的面纱，宣布这款新的移动操作系统将首先出现在即将发布的Nexus 5手机上，该手机售价为349美元。
While we weren’t expecting a hefty update, some of the features announced in KitKat—like the newly revamped interface and new messaging features in the Hangouts app—were on our wish list. Other features, like {optimization updates} to help KitKat run on low-end phones, simply remind us that Google is still battling all the issues that lead to device fragmentation.
虽然我们没有指望KitKat会是一款重大升级版，但KitKat中宣布的一些功能特性还是出现在我们的愿望清单上，比如全新设计的界面和Hangouts应用程序中新的通讯功能。其他功能只是提醒我们：谷歌仍在竭力应对导致设备碎片化的种种问题，比如帮助KitKat在低端手机上运行的{优化更新}。

谢谢指正！