動物界世中之最98

2009-07-25 11:00 pm
什麼動物的毛髮最接近透明?

回答 (1)

2009-07-26 1:49 am
✔ 最佳答案
Polar bear fur consists of a layer of dense underfur and an outer layer of guard hairs, which appear white to tan but are actually transparent.


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