Latrappite
钙钛铌矿
🗣️ 情景例句
They dismissed him on the spot.
他们立即开除了他。
You cannot flay the same ox twice.
一头牛不能剥两次皮。
We are so familiar with the fact that man ages,
我们对人总是要衰老的现象并不陌生，