Arrhenite
铍钽铌矿, 蚀变的褐钇铌矿
🗣️ 情景例句
The work is in full swing.
工作正在全力进行。
Youth is a blunder; manhood a struggle, old age a regret.
青年冒失莽撞；成年发奋图强；老年遗憾懊丧。
Oh, dear! said Miss Yang. Are you sure you've lost it?
“哎呀！”杨小姐说，“你肯定你弄丢了？”