请输入您要查询的英文单词:
单词
pionium
释义
pi
·
on
·
i
·
um
/paɪˈəʊnɪəm/
n.
【
核
】
π介子素
(由一个π介子和一个μ子组成的短命的准原子)
[PION + -IUM]
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square kilometre
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square law
square leg
square-leg
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square-legs
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squarely
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更新时间:2026/4/28 16:44:15