英语词汇“laser pointer”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 pointer
释义	laser pointer noun A pen-shaped pointing device that contains a small diode laser that emits an intense beam of light, used to direct attention during presentations.The car did not slow down when signaled by a U.S. soldier holding a search light and laser pointer.... Pulses also exhibit diffraction - spreading perpendicular to their propagation direction - just as a laser pointer's beam gets wider on the way to a distant screen. Also, some dogs enjoy ‘chasing’ the beam from a laser pointer.
随便看	family home familyhood family hotel family hour family house family income supplement familyish family jewels family leave family line family living family man family medicine family meeting family member family name family-oriented family-owned family party family pew family physician family picture family piece family planning family planning clinic

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。