No human habitants doesn't mean that there was no other mammals,


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送交者: steven 于 2013-11-25, 10:50:26:

回答: 在无人居住堆放杂物的小木屋中,没有食物跳蚤怎么会繁殖很快,还是很正常的事? 由 ASH 于 2013-11-25, 09:31:56:

Why there couldn't have food source for fleas?



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