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单词
dioptase
释义
dioptase
/duy op"tays/
,
n.
a mineral, hydrous copper silicate, CuSiO
3
·H
2
O, occurring in emerald-green crystals.
[
1795-1805; < F, equiv. to
di-
DI-
3
+ Gk
optasía
view
]
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sexagenary
Sexagesima
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sex chromosome
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更新时间:2025/11/2 3:40:32