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	perquisitors perradial perradially perradii perradius Perrault perrer perrest perrhenate perrhenic acid perrier perriers perries Perrin perrine lemon Perrinist Perris perron perrons perruche perruque perruquier perruquiers perry pers

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