While the Pocket has been charged only once in the eight weeks or so that I had been using it, the Kindle gave me a low battery warning after five days.
我的口袋阅读器在使用的大概8周以内只充了一次电，而Kindle在5天后就告诉我电力不足了。
When your battery gets low, you will see the low battery warning dialog on the screen.
当电池低电时，你将在屏幕上看到低电警告窗口。
Warning: Battery is critically low.
意思是 警告：电池电量十分低。
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