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单词 黄铁矿
例句 DEFINITIVE EXAMPLES 权威例句〔pentlandite〕A yellowish-brown nickel iron sulfide that is the principal ore of nickel.镍黄铁矿:一种棕黄色镍铁硫化物,主要矿物为镍美国传统〔troilite〕A nonmagnetic variety of the mineral pyrrhotite, FeS, present in almost all meteorites and having almost no ferrous iron deficiency.无磁黄铁矿:磁黄铁矿石的无磁性种类,FeS,存在于所有的陨石中且几乎不含铁质美国传统
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