英语词汇“laser pen”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	laser pen
释义	laser pen noun 1A small, slender hand-held device emitting a laser beam, used for scanning bar-codes. 2A hand-held device emitting a narrow beam of coloured light, typically used by speakers to project a visual pointer on to a screen. Origin 1980s; earliest use found in Industry Week.
随便看	scintillagraph scintillagraphic scintilla juris scintillant scintillascope scintillate scintillating scintillatingly scintillating screen scintillation scintillation cocktail scintillation counter scintillation counting scintillation detector scintillation screen scintillation spectrometer scintillator scintillescent scintilligram scintilligraph scintilligraphic scintilligraphy scintilliscope scintillogram scintillograph

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

laser pen