英语词汇focal length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	focal length
释义	focal lengthn.（名词）abbr. f, FL【缩写】 The distance from the surface of a lens or mirror to its focal point. Also called focal distance ,focus 焦距：从透镜或面镜的表面到焦点的距离也作 focal distance,focus
随便看	weather-beaten weatherboard weatherboarding weather-bound weather bureau weathercast weathercock weather deck weathered weathered weather eye Weatherford College weatherglass weathering weathering weathering weatherings weatherize weatherized weatherizes weatherizing weatherly weatherman weather map weathermen

英汉双解词典包含166908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。