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单词 natural glass
释义
natural glass
(once / 1969886 pages)
n

WORD FAMILY
natural glass
USAGE EXAMPLES
On the one hand, some are completely vitreous, like obsidian, which is a natural glass.
Various, Encyclopaedia Britannica, 11th Edit...(2011)
This natural glass, in fiery shades of brown, black or blood red, resulted from flowing volcanic lava millions of years ago.
New York Times(Mar 17, 2011)
n magma of any composition that cooled very rapidly
Hypo|Hyper
crystal, lechatelierite, quartz, quartz glass, vitreous silica
colorless glass made of almost pure silica
tektite
thought to derive from meteorites
glass
a brittle transparent solid with irregular atomic structure
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更新时间:2024/12/23 0:06:57