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 lengthBrE /ˌfəʊkl ˈleŋθ/NAmE /ˌfoʊkl ˈleŋθ/ noun (physics 物理) the distance between the centre of a mirror or a lens and its focus 焦距
随便看	explains explain sth away explain sth↔away explain yourself explanation explanations explanator explanatorily explanatoriness explanators explanatory expletive expletively expletives explicable explicableness explicably explicate explicated explicates explicating explication explications explicator explicators

英汉双解词典包含314281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。