At pegmatite contacts the composition changes to chalcopyrite, millerite, pyrite, and accompanied by magnetite and hematite.在伟晶岩接触带,硫化物成分变为黄铜矿 、 针镍矿 、 黄铁矿及硫镍铁矿, 伴生有磁铁矿和赤铁矿....
我想我得到的这份工作是其中最繁重的工作之一。I think I've got one of the most stressful jobs there is.我们正在成为时装业的领军者之一。We are becoming one of the market leaders in the fashion industry.他是欧洲最重要的通缉犯之一。He is one of the most wanted criminals i...