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

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	fallback fall cankerworm. fallen Fallen Timbers faller fallfish fall front fall guy fallible falling action falling band falling diphthong falling door. falling-out falling rhythm falling sickness falling star falling weather fall line falloff fallopian tube fallout fallow fallow deer Fall River

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