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大象每天只睡兩小時 失眠?不敢睡?
Friday, March 3, 2017 1:00
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南非科學家在博茨瓦納所做的一項研究顯示,野生的非洲大象保持著所有哺乳類動物中最短的睡眠時間。南非金山大學(University of the Witwatersrand)教授曼格(Paul Manger)領導的研究小組在博茨瓦納對兩頭雌性首…

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