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来源: 竹杉林 于 2011-04-10 18:54:03 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (115 bytes)
回答: 还是让上帝来处理他们吧。 由 jill08 于 2011-04-10 17:22:25

I majored in plant biology but don't know much about zoology.

Why don't female animals have periods?

所有跟帖： 

• LOL, good question. -jill08- ♀ 给 jill08 发送悄悄话 (15 bytes) () 04/10/2011 postreply 19:00:41

• We don't see any blood on the streets where -竹杉林- ♂ 给 竹杉林 发送悄悄话 竹杉林 的博客首页 (20 bytes) () 04/10/2011 postreply 19:41:08

• They clean it up right the way. -jill08- ♀ 给 jill08 发送悄悄话 (0 bytes) () 04/11/2011 postreply 18:44:59

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