硬頁書: 14頁
適合年齡: 6歲以上
出版社: Usborne Publishing Ltd
ISBN: 9781474989886
尺寸: 22.2 x 1.4 x 28.2 cm
適合年齡: 6歲以上
出版社: Usborne Publishing Ltd
ISBN: 9781474989886
尺寸: 22.2 x 1.4 x 28.2 cm
550
413
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This excellent addition to the ever popular Questions & Answers series lifts the flap on all kinds of gadgets, systems and ideas. It answers questions such as How does electricity get into our walls? Why do waves go up and down? and Where does money come from? Perfect for every inquisitive child.
電是如何進入我們的牆壁的? 為什麼波浪會上升和下降? 錢從哪裡來? 適合每一個好奇的孩子。