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機器人：密封的瓶子裡，物質燃燒後，會對音量造成什麼樣的影響呢？ A、音量變大 B、音量變小 C、音量不變 答案是B，你答對了嗎？我們來看影片的解說。
#科學 #能源 #氣候 #科技 #自然
分級:
片長:
發音:
發行:
導演:
分級: 普遍級
片長: 1 min
發音: 華語
發行: 2018-01
導演: 安偉民
片長: 0 min
片長: 24 min
發行: 2013-01
導演: 導演:瑪拉歐斯
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