10. a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite;an ore of tantalum.是什么意思_10. a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite;an ore of tantalum.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句