• 基本释义

  • 常见搭配

1.a soft gray ductile metallic element used in alloys; occurs in niobite; formerly called columbium.
一种灰色金属元素，软质，易延展，用于合金中，见于铌铁矿，以前称作钶。收藏指正
2.a hard gray lustrous metallic element that is highly corrosion-resistant; occurs in niobite and fergusonite and tantalite.
一种坚硬有光泽的灰色金属元素，抗腐蚀性极强，见于铌铁矿、褐钇铌矿和钽铁矿中。收藏指正
3.a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of tantalum.
一种由铁和锰的钽氧化物组成的矿物，与铌铁矿共生，亦见于粗糙的花岗岩中，是一种钽矿石。收藏指正
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