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cesium

US [ˈsiziəm]
UK [ˈsiːziəm]
  • n.
  • Web放射性铯;金属铯;原子钟
cesium
n.
1.
[u]
a chemical element. Cesium is a soft silver-white metal that reacts strongly in water, used in photoelectric cells .
— see also
caesium

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