Cornetite
蓝磷铜矿
🗣️ 情景例句
What's that?
什么样的工作？
Be slow to promise and quick to perform.
不轻诺，诺必果。
This combines a typewriter keyboard, a printer and a computer.
这种机器把打字机键盘、打印机和电脑连接起来。