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 noun Optics. focal point (def. 1). Origin of principal focus First recorded in 1825–35 Words nearby principal focus principal artery of thumb, principal axis, principal boy, principal clause, principal diagonal, principal focus, principal ideal, principal ideal domain, principalities, principality, principally Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for principal focus principal focus noun another name for focal point Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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principal focus