light pen

英 [laɪt pen] 美 [laɪt pen]

• n. 光笔

英英释义

Noun:

1. (computer science) a pointer that when pointed at a computer display senses whether or not the spot is illuminated

例句

用作名词 (n.)

1. Input devices include keyboards and pointing devices such as mouse,joystick,track ball, or light pen.
   输入设备包括键盘和点击设备如鼠标，操纵杆，跟踪球或光笔。

近反义词

【近义词】

• electronic stylus 电子笔