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单词
cesium
释义
cesium
ce‧si‧um
/
ˈsiːziəm
/
noun
[uncountable]
Examples
EXAMPLES FROM THE CORPUS
During irradiation, food is exposed to gamma rays from sources such as cobalt 60 or
cesium
137.
The definition of a second has since officially been the time it takes a
cesium
atom to make 9,192,631,770 vibrations.
the American spelling of
caesium
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cosmically
cosmic ray
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cosmogony
cosmology
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更新时间:2024/12/23 11:40:42