英语词汇“principal focus”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	principal focus
释义	principal focus Optics. See focal point (def. 1). [1825-35]
随便看	Loch Ness Loch Ness monster Loch Raven lochus loci lock lockable lockage lock bay lockbox lockdown Locke Lockean locked bowels locker Locker-Lampson locker plant locker room locker-room locket Lockhart lock-in locking piece locking plate locking pliers

英语词典包含168451条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。