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红宝石
释义
红宝石
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红宝石
掺铬(Cr)的氧化铝单晶。
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红宝石
颜色为中等至深红色调的刚玉族宝石。化学组成为Al2O3。红宝石为世界五大宝石之一,与蓝宝石是世界上公认的两大珍贵彩色宝石品种。红宝石被誉为“爱情之石”,象征着热情似火,爱情的美好、永恒和坚贞。
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红宝石{矿}
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红宝石
Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
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红宝石
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DICTIONARIES: The Journal of the Dictionary Society of North America
dictionary
dictionary appendix
dictionary archaeology
dictionary as text
dictionary-based word sense disambiguation approach
dictionary coding
dictionary compilation
dictionary criticism
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dictionary for adult
dictionary for children
dictionary for Chinese as a second languages
dictionary for comprehension
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Dictionary Hachette of the French Language
dictionary index
dictionary learning
dictionary making
dictionary of abbreviation
Dictionary of Ancient Characters in the Warring States Period: Sound Pedigree of Chinese Characters in the Warring States Period
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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更新时间:2026/8/25 10:14:36