Definition

Examples

• 他用光笔在屏幕上写字。
  Tā yòng guāng bǐ zài píngmù shàng xiě zì.
  He uses a light pen to write on the screen.
• 这种光笔可以精确地画出线条。
  Zhè zhǒng guāng bǐ kěyǐ jīngquè de huà chū xiàntiáo.
  This kind of light pen can draw lines precisely.
• 早期的计算机用光笔作为输入设备。
  Zǎoqī de jìsuànjī yòng guāng bǐ zuòwéi shūrù shèbèi.
  Early computers used light pens as input devices.