1、
Proestrus: The female attracts males, has a bloody vaginal discharge and her vulva is swollen.
发情前期: 母犬开始引诱公犬, 阴道有血渗出,阴户涨大.
网络文摘精选
2、
Some couples may avoid cunnilinctus during the woman's menstrual period for aesthetic reasons.
出于审美的原因,一些夫妇也许会在妻子的月经期避免阴户口交.
网络文摘精选
3、
4、
