3325英语网 英语单词
Columbite的音标发音
Columbite
英式发音：[kә'lʌmbait]
美式发音
(n.) A mineral of a black color, submetallic luster, and high specific specific gravity. It is a niobate (or columbate) of iron and manganese, containing tantalate of iron; -- first found in New England.
录入:奥维尔
