也许每只雌蜂都有自己的气味印记，能够区别自己的巢套板之家和其他数以百计(如果不是数以千计的话)看起来类似自己巢穴的家。
Perhaps each female has her own signature scent that enables her to differentiate her nesting-board home from the hundreds, if not thousands, of others that look just like hers.
通过利用气味，这种松鼠能够辨别熟悉的巢伴、亲属和非巢伴。
By using odors, the squirrels can distinguish familiar nestmates, who are close kin, from nonnestmates.
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