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Posted: 20 Nov 2016 08:16 AM PST 「明明沒風,葉子怎麼會像嗑藥一樣不停擺動?難道是神祕搖擺草?」有網友先前在臉書《爆料公社》貼出一段影片並詢問,卻得到「下面老鼠在嘿咻」、「草支擺」等無俚頭回應,逗趣的互動讓其他網友笑翻。為何會有此現象?物理老師張瑞表示,其實還是有微微的風,因受風面與共振的影響下,樹葉會隨之擺動。 《詳全文...》 |
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