a black or brown mineral that is a silicate of calcium and titanium and often contains varying amounts of other chemical elements, e.g. manganese and iron
[French sphène from Greek sphēn wedge; from the shape of its crystals]
| 单词 | sphene |
| 释义 | sphene |
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英语词典包含66266条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。