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	petroleur petroleuse petrolic petroliferous petrolin petroline petrolines petrolization petrolizations petrolize petrolized petrolizes petrolizing petrologen petrologic petrological petrologically petrologist petrologists petrology petrol pump petrols petrol station petrol stations Petromyzonidae

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。