Pyroniobate
焦铌酸盐
🗣️ 情景例句
I need to meet with my marketing department,
我需要跟我的行销部门商量一下
He who stands alone has no power.
孤掌难鸣。
Here you are, Jim. You must look after your clothes!
给你，你要好好保管你的衣服呀！