请输入您要查询的英文单词：
单词
focometer
释义
focometer
focometer
(
fəʊˈkɒmɪtə
)
or
focimeter
n
(General Physics) an instrument for measuring the focal length of a lens
focometer
focometer
[
fō′kam·əd·ər
]
(engineering)
An instrument for measuring focal lengths of optical systems.
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natural levee
open the floodgates
open their big mouth
open their big mouths
open their eyes
open their eyes to
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open their legs
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open their minds
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open their mind to
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open their mouths
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open themselves up to criticism
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open: the small business network
open the way for
open the way for (one)
open the way for somebody
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更新时间：2024/9/22 15:38:39