单词 | sulfides |
例句 | DEFINITIVE EXAMPLES 权威例句〔blende〕Any of various shiny minerals composed chiefly of metallic sulfides.闪锌矿:一种主要由含金属硫化盐组成的闪光矿物美国传统〔matte〕A mixture of a metal with its sulfides, produced by smelting the sulfide ores of copper, lead, or nickel.锍,冰铜:一种带有硫化物的金属混合物,由熔炼铜、铅或镍的硫化物矿石而制成美国传统 |
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