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单词
alunogen
释义
WordReference Random House Unabridged Dictionary of American English © 2024
a•lu•no•gen
(ə lo̅o̅
′
nə jən),
USA pronunciation
n.
Mineralogy
a mineral, hydrous sulfate of aluminum, Al
2
(SO
4
)
3
·18H
2
O, occurring as a white, fibrous crust on quarry or mine walls.
French
alun
(see
alunite
) + -
o
- + -
gen
1865–70
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更新时间:2024/11/10 15:27:38