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pyrolusite
释义
WordReference Random House Unabridged Dictionary of American English © 2024
py•ro•lu•site
(pī′rə lo̅o̅
′
sīt, pī rol
′
yə sīt′),
USA pronunciation
n.
Mineralogy
a common mineral, manganese dioxide, MnO
2
, the principal ore of manganese, used in various manufactures, as a decolorizer of brown or green tints in glass, and as a depolarizer in dry-cell batteries.
pyro
- + Greek
loûs
(
is
) washing + -
ite
1
1820–30
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chief of staff
chief of state
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chieftainship
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chield
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ch'ien lung
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chiffchaff
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chiffonier
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chiffonnière
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chigger
chignon
chignoned
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更新时间:2026/7/22 0:17:23