“光笔”怎么读

“光笔”的英语可以翻译为：[电子] light gun，light pen，lightpen ...

他们最近在超级市场安装了用于盘点库存的光笔系统.They had recently installed their lightpen system in a supermarket for stocktaking purpose.一种由特殊构造的终端和一支光笔组成的系统.A system of a specially designed terminal and light pen.采购产品闪烁的球, 频闪灯, 徽章, 时装棒, 闪光笔,...