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单词
focal length
释义
focal length
noun
countable
physics
UK
Word Forms
singular
focal length
plural
focal lengths
DEFINITIONS
1
1
the distance from the centre of a
lens
or mirror to its focal point
Synonyms and related words
Terms in Physics
centre of gravity
density
focal length
focal length
noun
countable
physics
US
Word Forms
singular
focal length
plural
focal lengths
DEFINITIONS
1
1
the distance from the center of a
lens
or mirror to its focal point
Synonyms and related words
Terms in Physics
density
focal length
focal point
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janus faced
japan
japanese
japanese lantern
japanophobia
jape
japlish
japonica
jar
jarg
jargon
come undone/untied/unstuck etc
come up
come up against
come up for
come upon
comeuppance
come up smelling of roses
come up to
come up with
come up with the goods
come up/turn up trumps
come what may
come with
come within an inch of doing something
英语词典包含67175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。
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更新时间：2025/7/28 17:10:58