英语词汇OPTRAC的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	OPTRAC
释义	OPTRAC 释义 abbr. Optical Tracking-light Beam Rangefinder System 光学跟踪-光学测距仪系统; Optical Tracking-light Beam Rangefinder System 光学跟踪-光学测距仪系统
随便看	years in return of capital investment Years know more than books. years later Yearsley Yearsley drum yearsleys years lived with disability yearslong years-long yearsman yearsmen year's mind years of age years of discretion years of grace years of hard work years of life lost years of life saved years of operation years of peace and plenty years of schooling completed years of stable production years of stable production, stable production period years old years-old

英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。