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单词
beta particle
释义
beta particle
I.
noun
Etymology:
beta
(I)
:
an electron or positron emitted by the nucleus of an atom during radioactive decay
II.
noun
:
a high-speed electron or positron
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wallbanger
wall barley
wall bed
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wallboard
wall box
wall clamp
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wall cress
walled
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更新时间:2026/9/21 3:18:48