| 单词 | light pen |
| 释义 | light pen (once / 695254 pages) n WORD FAMILY light pen USAGE EXAMPLES“He’s a throwing a little touch-and-feel light pen,” Roberts said before the game. Washington Times(Jul 10, 2016) "He's a throwing a little touch-and-feel light pen," Roberts said before the game. US News(Jul 10, 2016) With Sketchpad, users created graphics with a light pen and could then manipulate lengths and angles in their designs. Scientific American(Jun 22, 2012) n (computer science) a pointer that when pointed at a computer display senses whether or not the spot is illuminated Syn|Hyper electronic stylus pointer an indicator as on a dial |
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