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单词
manganese dioxide
释义
manganese dioxide
n.
A black crystalline compound, MnO
2
, that is a strong oxidant and is used as a depolarizer of dry-cell batteries and in textile dyeing.
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testy
Tet
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tetherball
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Tethys
Teton
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Teton Sioux
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更新时间:2025/10/30 22:03:16