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单词
caesium clock
释义
caesium clock
noun
an atomic clock that uses the vibrations of caesium atoms as a time standard
铯钟(用铯原子摆动作计时标准的原子钟)。
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N. Dak.
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N'Djamena
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Ne
Neagh, Lough
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neap
Neapolitan
Neapolitan ice cream
near
near at hand
nearby
Nearctic
near-death experience
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Near Eastern
near enough
near gale
near go
nearish
nearly
nearly man
near miss
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更新时间:2025/10/19 13:14:18