英语词汇varifocal怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	varifocal
释义	varifocal/vɛəriˈfəʊk(ə)l/ adj. & n.●adj. having a focal length that can be varied, esp. of a lens that allows an infinite number of focusing distances for near, intermediate, and far vision 变焦距的 ●n. (in pl. 用复数) varifocal spectacles 变焦眼镜
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