| 词汇 | light pen |
| 释义 | light penWord family nounlighterlightinglightnesslight bulblight-emitting diodelighthouselighthousemanlight meterlight penlight pollutionlightshiplight showlightenerlighteragelightslightsomenesslightermanlight railwaylightweightlightadjectivelightfullightishlightlesslightsomelight-fingeredlight-headedlight-heartedverblightenadverblightlylightsomely Computers ˈlight pen noun [countableC] TDa piece of equipment like a pen, used to draw or write on a computer screen 〔用于在计算机屏幕上画线或书写的〕光笔 Examples from the Corpus light pen• And when the program is ready, the student enters it simply by moving a light pen across the bar codes.• When the light pen is moved over the code, it triggers the chips to make sound through the loudspeaker. From Longman Business Dictionary light penˈlight pen noun [countableC]COMPUTING a special piece of equipment shaped like a pen, used to read printed computer codes on product labels The TX-2 uses a light pen to enter data straight on to the system. |
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