magnonibite

例句：

1. 1. The magnetite is a valuable mineral that can be used to make magnetic devices.
   磁铁矿是一种有价值的矿物，可以用来制造磁性设备。
2. 2. The magnetite has been found in many places around the world, including China and Australia.
   磁铁矿在世界许多地方都有发现，包括中国和澳大利亚。
3. 3.The magnetite is mined from deep within the earth's crust, where it is often found in association with other minerals such as quartz.
   磁铁矿是从地球地壳深处开采出来的，通常与石英等其他矿物一起被发现。