9787535364852 - 能量.很忙很忙-你好科学-物理科学05.能量 (1 resultados)

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paperback. Condición: New. Paperback Pages Number: 33 Language: Chinese. Take a look around us. a lot of moving. glowing sound of things. If there is no energy. these things will thump to stop. Such a universal energy where it comes from? Around us which are the energy? Please find the answer in the book.