Plumboniobite
铅铌铁矿
🗣️ 情景例句
Earth day should be every day.
每一天都应该是地球日。
I'm really sorry about it.
我真是非常抱歉。
In return for this, the beggar stood on his head and sang songs.
作为回报，那乞丐头顶地倒立起来，嘴里还唱着歌。