Tablet computers are larger than a smart phone but interact with the user in much the same way, using a touchscreen as a primary input device.
平板电脑比智能手机大，但与同样的方式与用户交互，使用触摸屏作为主要输入设备。
The struggling Silicon Valley smart phone pioneer began selling its own high-end, touchscreen phone in the US over the weekend.
位于硅谷，处在困境中的智能手机先驱palm，上周末在美国推出了自己的高端触屏手机。
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