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单词
boulangerite
释义
WordReference Random House Unabridged Dictionary of American English © 2024
bou•lan•ger•ite
(bo̅o̅ lan
′
jə rīt′),
USA pronunciation
n.
Mineralogy
a bluish lead-gray mineral, lead antimony sulfide, Pb
5
Sb
4
S
11
, a minor ore of lead.
see -
ite
1
named after C. Latin.
Boulanger
(1810–49), French mining engineer
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更新时间:2026/2/26 8:32:23