请输入您要查询的英文单词：
单词
free electron
释义
free electron
noun
1
:
an electron within a conducting substance (as a metal) but not permanently attached to any atom
2
:
an electron moving in a vacuum
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BZ reaction
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bâtarde
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bâtonnets
bâtons rompus
bé
Béarn
béarnaise
béarnaise sauce
béchamel
Béchamp reduction
Béchar
béguin
bénitier
Béranger
bézier
bézier curve
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bêche-de-mer
bêches-de-mer
bête noire
bêtes noires
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更新时间：2025/12/2 5:35:33