lightsn.(供食用的)家畜的肺脏名词light的复数.动词light的第三人称单数.lightn.光；光线；灯；打火机；领悟；浅色；天窗adj.轻的；浅色的；明亮的；轻松的；容易的；清淡的v.点燃；变亮；照亮adv.清楚地；轻便地light echo回光light lock暗室口避光装置,防光门light body低稠度light vote票数少light ball轻易击出的球light cell光电管,光电元件light dope轻掺杂Lightcraft光船light foot脚步轻light disc明带

1. They had recently installed their lightpen system in a supermarket for stocktaking purpose.
   他们最近在超级市场安装了用于盘点库存的光笔系统。