大家在查：实验试验黄炎 personal rapid transit TracyStaedter 100.00% 30.00% 80.00% Tirrenia 能测出张友渔

sex behavior

网络性行为

sex behavior

sex behavior

sex behavior

性行为

性行为（sex behavior）：旨在满足性欲和获得性快感而出现的动作和活动。性行为并不只意味着性交，还包括观看异性的容姿 …

1

Post-orgasmic prolactin seems to be an even more critical factor in our post-sex behavior .

高潮后的催乳激素似乎对于我们的性行为之后的活动是一个更为关键的因素。

3

As to before-wedding day sex behavior between lovers, their attitudes are becoming more discreet .

对待与恋人间婚前性行为的态度更为明确。

4

For attitude and behavior, more than 50% of the students agreed with or hold careless attitude on premarital sex behavior.

00%以上的学生对婚前性行为持赞同或无所谓的态度；

热词推荐

大家在看

man , . cum you 's " after japan ? : - Facebook join what Yeah your then 4th as