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单词 sphene
释义

sphene

noun

ˈsfēn How to pronounce sphene (audio)
: a mineral that is a silicate of calcium and titanium and often contains other elements

Word History

Etymology

French sphène, from Greek sphēn wedge

First Known Use

1815, in the meaning defined above

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更新时间:2024/9/22 17:38:11