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单词
radium a
释义
> as lemmas
radium A
radium A
n.
polonium-218, produced by the alpha decay of radon-222 (which has a half-life of 3.82 days).
extracted from
radium
n.
<
as lemmas
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snickeringly
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snickey
snicking
snicking and sneeing
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更新时间:2025/5/25 22:06:42