单词	eye relief
释义	eye relief noun : the distance of the eye from the eye lens of an optical instrument that is best suited to the use of the instrument Word History First Known Use 1902, in the meaning defined above
随便看	postmark postmark ad postmark advertisement postmarked postmarking postmarks postmastectomy postmaster postmaster general postmaster stamp postmaster's stamp postmasters postmasters general postmastership postmasterships postmating postmedia postmedial postmedian postmedieval postmen postmenopausal postmenopausally postmenopause postmentum

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