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We do not know a lot about the ocean and its plants and animals. To learn more, scientists in the U.S. made a robot that can fly! It can also dive into water and swim. All of these are very hard for robots to do.
為了多多了解海洋和海洋生物,美國的科學家造了一個能飛行,潛水和游泳的機器人。
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