The Palm Pre is the only smartphone on this list to use the portrait slider format, meaning it slides up instead of to the side when holding it like a phone.
Palm Pre是榜单里唯一一款采用竖式滑盖设计的智能手机，这意味着在抓着它使用时是向上滑而不是向侧边滑。
The phone also offers a four-row full QWERTY keyboard that smoothly slides out from the left side of the phone (when viewed in tall portrait mode).
这款手机还提供了四排完整的QWERTY键盘滑出顺利从手机的左侧(当高大的肖像模式观看)。
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