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单词
lead dioxide
释义
WordReference Random House Unabridged Dictionary of American English © 2024
lead
′
diox
′
ide
(led),
USA pronunciation
[
Chem.
]
Chemistry
a brown crystalline compound, PbO
2
, toxic, insoluble in water and alcohol, soluble in glacial acetic acid: used as an oxidizing agent, in lead-acid batteries, and in analytical chemistry.
1900–05
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更新时间:2025/7/23 12:00:11