英语词汇back focus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	back focus
释义	back focus noun Photography the distance between the back of a lens and the image of an object at infinity 【摄】后焦点。
随便看	circumlunar circumnavigate circumnavigation circumnavigator circumpolar circumscribe circumscriber circumscription circumsolar circumspect circumspection circumspectly circumstance circumstanced circumstances alter cases circumstantial circumstantiality circumstantially circumterrestrial circumvallate circumvent circumvention circumvolution circus Cirencester

英汉双解词典包含131075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。