caesium
n.铯
难易程度:
caesium为短语/超纲词汇
caesium
n[U]
[Date: 1800-1900; Language: Latin;Origin: caesius 'bluish grey']
a soft silver-white metal that is used in photoelectric cells. It is a chemical element : symbol Cs
[Date: 1800-1900; Language: Latin;Origin: caesius 'bluish grey']
a soft silver-white metal that is used in photoelectric cells. It is a chemical element : symbol Cs
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