a hard gray lustrous metallic element that is highly corrosion-resistant; occurs in niobite and fergusonite and tantalite.
一种有光泽的灰色金属元素,抗腐蚀性极,见于铌铁矿、褐钇铌矿和钽铁矿中。
a hard gray lustrous metallic element that is highly corrosion-resistant; occurs in niobite and fergusonite and tantalite.
一种有光泽的灰色金属元素,抗腐蚀性极,见于铌铁矿、褐钇铌矿和钽铁矿中。
:上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。