video beam的意思|示意

PayPal started out as a service to beam money through Palm Pilots, while YouTube was originally a video dating site.

PayPal起步的时候是作为在掌上导航器中的理财服务出现的，而YouTube曾经是一个视频约会网站。

Say so long to boring, bulky binoculars and hello to the LightSpeed B20, the first pair with the ability to record voice and video and beam it instantly to another pair up to two miles away.

跟无趣又笨重的老式望远镜告别吧，快来膜拜这款立竿见影b 20：第一款可录音录像并将数据传输到两英里外的另一台望远镜上。

Prison guards could soon stop fights with a harmless tool that shoots a laser-like beam, video game-style, down into a room where trouble is brewing.

狱卒们很快将能够使用一种无伤害的工具，对着酝酿着麻烦的房间发射一道像电子游戏中那样的镭射般的光束，来停止斗殴。