最具有经济价值的铁矿包括磁铁矿和赤铁矿.Iron ores of greatest economic interest contain magnetite and hematite.A-Fe2O3(赤铁矿 ) 是中子衍射最先研究的化合物之一.A - Fe 2 O 3 ( haematite ) was one of the first compounds to be studied by neutron diffraction.发现一种...
Nuclear weapons plants across the country are heavily contaminated with toxic wastes.全国的核武器工厂均受到了有毒废弃物的严重污染。More than 100,000 people could fall ill after drinking contaminated water.超过10万人可能会在饮用受到污染的水后患病。The poisons seep...
一位戴头盔的男子正跨上摩托车。A man in a crash helmet was mounting a motorbike.他戴上了一顶破旧的防护头盔，上面的面罩已有划痕。He pulled on a battered old crash helmet with a scratched visor.所有骑摩托车的人都必须戴头盔，这是强制性的。It is compulsory for all motorcyclists to wear...
Her poems are modishly experi-mental in style and recondite in subject-matter.她的诗在风格上是时髦的实验派，主题艰深难懂。Her poems are modishly experimental in style and recondite in subject-matter.她的诗在风格上是时髦的实验派，主题艰深难懂。...