In the beginning, in a far distant past of Earth history, humans and animals used to cohabit very lovingly and peacefully.

开元时期，在地球历史上的遥远过去，人类和动物原本是同居一起，非常友好与和平。

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Progress will lead to advancements in understanding tectonics earth history materials and complexity to name just a few.

这方面的进展将导致对许多方面理解的进展，对板块、地球史、材料及其复杂性，这仅是几例。

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This is a crucial but understudied compartment of the global Marine carbon cycle, which has been of key importance throughout Earth history and it is still at present.

这是全球海洋碳循环重要的替代部分，其重要性贯穿地球历史，而且依然存在。

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It uses objects from the museum's collection to show how Darwin helped us understand the history of life on Earth.

VOA: special.2009.12.01

"This valley of history has seen mankind complete its first evolutionary steps into the universe: leaving the planet Earth and going forward into the universe.

VOA: special.2010.04.28

In the early eighteen hundreds in England, Mary Anning became one of the first women recognized for her discoveries about the ancient history of the Earth.

VOA: special.2009.05.13

Juramaia's appearance in the Jurassic Period of Earth history would appear to corroborate what the genetics has been saying.

BBC: Fossil redefines mammal history

Ranging from rugged uplands, lakes and forests through to gently rolling drumlins, the landscapes of the Global Geopark represent a complex Earth history dating back as far as 650 million years.

UNESCO: Global Geoparks

It has happened many times before in Earth history.

BBC: Planet Earth