英语词汇“focal length”是什么意思，“focal length”的读音、用法及例句翻译-乐坝网

词汇	focal length
释义	focal lengthn.（名词）abbr. f, FL【缩写】 The distance from the surface of a lens or mirror to its focal point. Also called focal distance ,focus 焦距：从透镜或面镜的表面到焦点的距离也作 focal distance,focus
随便看	befoul befouled befouling befouls befriend befriend befriended befriending befriends befuddle befuddle befuddled befuddles befuddling beg beg began began begass begasse begasses begat beget begets begetting

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