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In pics: Children enjoy fun of science in Qingdao
发布日期：2023/9/21
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发布日期：2023/9/21
来源：
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Children are seen experiencing the fun of scientific experiments through hands-on activities such as hand-eye coordination, dancing paper clips, and sound standing waves at a Science Popularization Museum in Qingdao City, Shandong Province. (Photo by Zhang Ying)
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