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SCIENCE STUDY

These birds don’t need to fly

作者:TEENS
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QIANTU

鸵鸟一步就能跨过一辆小汽车!

The ostrich is the fastest running bird in the world. Their top speed can be up to 70 kilometers per hour! Their long legs give them a big stride (步伐). They can cover five meters in just one stride. That’s as long as a car!

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