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奥陶纪

Ào táo jì

3-character word Traditional 奧陶紀

What 奥陶纪 means

1. Ordovician (geological period 495-440m years ago)

The characters in 奥陶纪

• 奥àoobscure; mysterious
• 陶táopottery; pleased
• 纪jìorder; discipline; age

Example sentences

• 奥陶纪—志留纪灭绝事件消灭了近 85% 的海洋物种。
  The Ordovician-Silurian Extinction Event wiped out nearly 85% of marine species.