Fluoniobate
氟铌酸盐
🗣️ 情景例句
I would like to improve my English pronunciation.
我想改善我的英语发音。
Every tree is known by its own fruit.
观其言行，知其为人。
'Nothing, Henry,' George said and smiled.'Go back to sleep.'
“没事，亨利。”乔治笑着说，“接着睡觉吧。”