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SCIENCE STUDY

Sleeping secrets of dinosaurs

作者:TEENS
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Dinosaurs were huge animals. How did they sleep? Scientists are trying to find out with the help of fossils (化石).

Dinosaurs with long necks

Sauropod (蜥脚类的) dinosaurs had very long necks. They evolved (进化出) long necks to eat lots of food without moving too much.

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