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单词
phenacite
释义
WordReference Random House Unabridged Dictionary of American English © 2024
phen•a•cite
(fen
′
ə sīt′),
USA pronunciation
n.
Mineralogy
a rare vitreous mineral, beryllium silicate, Be
2
SiO
4
, occurring in crystals, sometimes used as a gem.
Also,
phen•a•kite
(fen
′
ə kīt′).
USA pronunciation
Greek
phenak-
(stem of
phénax
) a cheat, quack + -
ite
1
1825–35
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theophylline ethylenediamine
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theory of equations
theory of everything
theory of games
theory of numbers
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更新时间:2025/2/23 5:28:02