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【tourmaline】的音标、怎么读

【tourmaline】单词基础信息

tourmaline怎么读

tourmaline是什么意思

音标: 英 ['tʊməlɪn] 美 ['tʊrməlɪn]

英文释义

n. 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

中文释义

[化] 电气石

详细用法及例句

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