英语词汇focal ratios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 ratios
释义	请查阅词条：focal ratio
随便看	periscopes periscopic periscopical periscopically periscopically periscopic,periscopical periscoping periscopism periselene periselenium periselenium,periselene perish perishabilities perishability perishability perishability, perishableness perishable perishableness perishablenesses perishables perishably perishably perished perisher perishers

英汉双解词典包含548777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。