柯林斯英汉双解大词典
orpiment /ˈɔːpɪmənt/
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1.
N a yellow mineral consisting of arsenic trisulphide in monoclinic crystalline form occurring in association with realgar: it is an ore of arsenic. Formula: As2S3 雌黄; 三硫化二砷
双语例句
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The basic principle of refining orpiment and realgar was discussed.
讨论了雌雄黄的提炼原理。
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Huangchang realgar deposit has been exploited for over 1,000 years and is up to now the largest realgar-orpiment deposit in China.
磺厂雄磺矿有千余年开采历史，是我国目前最大的雄磺-雌磺砷矿床。
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A process mineralogical study was thus made and it was founded that it is mainly realgar and orpiment that affect the gold leaching.
为此，对该矿矿石进行了工艺矿物学研究，查明了影响金浸出的主要因素为雄黄、雌黄等。
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