| 单词 | millions of years |
| 释义 | Examples:Ediacaran (c. 635-542 million years ago), late phase of pre-Cambrian geological era—艾迪卡拉 • 埃迪卡拉 tertiary (geological era since the extinction of the dinosaurs at the Cretaceous-Tertiary boundary 65 million years ago)—第三纪 Ediacaran period (c. 635-542 million years ago), late phase of pre-Cambrian geological era—埃迪卡拉纪 Sinian (c. 800-542 million years ago), late phase of pre-Cambrian geological era—震旦纪 See also:millions —百万 millions pl —数百万 n • 千万 pl |
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