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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
随便看
make a mental note
make a mess of (doing) something
make a mess of something
make a mockery of
make a monkey out of someone
make a mountain out of a molehill
make a move
make a move on someone
make an entrance
make an example of someone
make an exception
make an exhibition of yourself
make an honest woman (out) of someone
make a night of it
make an impression
make an issue of something
make an issue out of something
make (a) nonsense of
make a nuisance of yourself
make a pass at someone
make a (phone) call
make a pig of yourself
make a pig’s ear of something
make a play for someone
make a play for something
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更新时间：2026/1/31 19:10:58