常見例句用作名詞 (n.)It sensed a mineral called hematite that forms under wet conditions.它也探測到了一種稱作赤鉄鑛的，在潮溼環(huán)境中形成的鑛藏。Iron ores of greatest economic interest contain magnetite and hematite.最具有經(jīng)濟價值的鉄鑛包括磁鉄鑛和赤鉄鑛。 返回 hematitic