联想同时发布了一个内置激光投影仪与红外运动检测器的智能手机项目，能将手机屏幕通过投影转变成一个巨大的虚拟触摸屏。

It also unveiled plans for a smartphone with a built-in laser projector and infrared motion detector that is capable of projecting what is, in effect, a giant touch screen.

youdao

联想同时发布了一个内置激光投影仪与红外运动检测器的智能手机项目，能将手机屏幕通过投影转变成一个巨大的虚拟触摸屏。

It also unveiled plans for a smartphone with a built-in laser projector and infrared motion detector that is capable of projecting what is, in effect, a giant touch screen.

youdao