觀看人次：
1106
利於科學原理，你可以自己創作幾個科學設計，所有的東西在五金店都買的到，例如：用衣架做發射器。
#科普 #實驗
分級:
片長:
發音:
發行:
導演:
分級: 普遍級
片長: 24 min
發音: 華語
發行: 2013-01
導演: 導演:瑪拉歐斯
片長: 0 min
發行: 2018-01
導演: 安偉民
片長: 1 min
片長: 22 min
發行: 2015-06
導演: 翰星傳播製作
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