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單詞乎

tourmaline

音標['tuməlin]
tourmaline是什么意思、tourmaline怎么讀

tourmaline漢語翻譯

【化】 電氣石

tourmaline英語解釋

名詞 tourmaline:

  1. a mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones
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