Stibiocolumbite
铌锑矿
🗣️ 情景例句
My feeling is that you ought to stay home tonight.
我觉得今晚你应该呆在家里。
In college I majored in math, What was your major?
大学时我主修数学，你主修什么呢？
Things were clear now.
事情现在清楚了。