英语词汇pencil of parallel rays怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pencil of parallel rays
释义	pencil of parallel rays 翻译平行光线束以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译网络释义短语 1 parallel pencil of rays 平行光束
随便看	Recalls,Drug recall signal recall slip recall starter recall switch recall system recall test recall thrust recall titer response recall to recall to life recall to mind recall type recall type examination recall value recalment recam recamier recamier Recamier's operation recan recanalisation recanalisation recanalise recanalization

英汉双解词典包含3185865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。