英语短语词组词汇focal ratio的音标、释义、翻译、用法及例句-英语短语词组词典

短语	focal ratio
释义	focal ratio 【摄影术】f值，孔径焦距比
随便看	hardcovers hard-cured hard currencies hard currency hard detergent hard dinkum hard disk hard disk drive hard disks hard dock hard-dock hard done by hard-drawn hard drink hard drinker hard drinks hard drive hard drives hard-driving hard-drivings hard drug hard drugs hard-earned hard-earneds Hardecanute

英语短语词组词典共收录525608条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。