第三纪

dì sān jì

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Definitions

1. third period
2. tertiary (geological era since the extinction of the dinosaurs at the Cretaceous-Tertiary boundary 65 million years ago)

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Child Words of 第三纪

• 三 三 sān: three
• 第 第 dì: (prefix indicating ordinal number, as in 第六[dì liù] \sixth\)
• 纪 纪 jì: order