cinnabar

柯林斯词典

cinnabar /ˈsɪnəˌbɑː/

• 1. N a bright red or brownish-red mineral form of mercuric sulphide (mercury(II) sulphide), found close to areas of volcanic activity and hot springs. It is the main commercial source of mercury. Formula: HgS. Crystal structure: hexagonal 朱砂

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