英语词汇“focometer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	focometer
释义	focometer /foh kom"i teuhr/, n. Optics. an instrument for measuring the focal length of a lens or other optical system. [1850-55; FOC(US) + -O- + -METER]
随便看	grammarian grammar school grammar-translation method grammatical grammatical gender grammaticality grammaticalize grammatical meaning grammaticism grammatology gramme gram-molecular weight. gram molecule Grammy Gram-negative Gramont gramophone Grampian Grampians Gram-positive gramps grampus Gram-Schmidt orthogonalization Gram's method Gram's solution

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。