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SUPER SCIENCE

The science of water slides

作者:teens
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水滑梯为什么这么好玩?

Summer is here. It’s time to have fun in the water. What kind of activity do you like best? Swimming is good. It helps you cool down. But how about a water slide (水滑梯)? You sit in the water and fly down the slide. Whoosh! It is so exciting.
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