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单词
caesium
释义
caesium
/ˈsi:ziəm/
n.
(
US
[
美
]
cesium
)
a rare soft silver-white element of the alkali metal group, occurring in certain minerals, and used in photoelectric cells and atomic clocks (symbol
符
Cs
)
(
化学元素
)
铯
[as CAESIOUS (from its spectrum lines)]
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更新时间:2025/2/19 8:58:30