n.赤鐵礦
=haematite.
It sensed a mineral called hematite that forms under wet conditions. 它也探測到了一種稱作赤鐵礦的，在潮濕環(huán)境中形成的礦藏。
Iron ores of greatest economic interest contain magnetite and hematite. 最具有經(jīng)濟價值的鐵礦包括磁鐵礦和赤鐵礦。
