For an example, an hour of continuous use for Web browsing over 3g can easily drain up to a third of the iPhone's battery life.
举个例子来说，一个小时不间断的3g上网浏览能轻轻松松地用去iphone三分之一的电量。
For an example, an hour of continuous use for Web browsing over 3g can easily drain up to a third of the iPhone's battery life.
举个例子来说，一个小时不间断的3g上网浏览能轻轻松松地用去iphone三分之一的电量。
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