magnetitite造句

Magnetitite - bearing plugs are found erratically from the base of the Critical Zone.
含磁铁岩的岩栓不规则地分布于关键带的基底以上.

An area about half - a - mile in diameter is surface strewn with blocks of magnetitite.
在直径约1/2英里的地区的地表上有磁铁岩转石分布.