性行为

Dopamine's associated with romantic love, and you can just fall in love with somebody who you're just having casual sex with.

而多巴胺跟浪漫之情有关，由于这样的情形，即使你认为是随便的性行为，你也可能陷入情网。

"We found the opposite to be true," said Toni Felice, PhD, study coauthor and associate director of applied research for the Family Health Council, Inc, in Pittsburgh, Pennsylvania."The women we followed used EC for exactly what it's intended to be used for — only in an atypical emergency situation in which they had unprotected sex and did not want to become pregnant."

研究共同作者及宾州匹茨堡家庭健康协会公司应用研究副主任Toni Felice博士表示，我们发现事实是往反方向走，我们追踪观察刻意服用EC的女性，是在她们从事未防护的性行为，根本不想怀孕的非典型紧急状况下。

Sexual behaviors that occur during sleep range from simple moaning to fondling to outright intercourse, scientists say.

专家说，发生在睡梦中的性行为从简单的呻吟、抚摸到直接的性行为。

To avoid fornication, let every man have his own wife.

九：为了避免婚前性行为，让每个人有自己的妻子。

Hofmann said she was infected with HIV at age 28 by having unprotected sex twice with her heterosexual boyfriend.

Hofmann说：在她28岁那年，因和异性男友发生过2次未有安全保护措施的性行为，感染上艾滋病病毒。

After bearing babies, the altered females, like males, became " insouciant about raising their offspring and keen on having more sex ."

在养育的小鼠中，女性改变之后象男性一样，成为"漫不经心养育它们的后代和渴望有更多的性行为。"

Offspring were then tested for male sexual behavior: mount frequency, MF;mount latency, ML;intromission frequency, IF;intromission latency, IL;ejaculation latency, EL;post ejaculatory interval, PEI;hit rate and female sexual behavior;approach latency, AL;mount return latency, MRL;intromission return latency, IRL;post ejaculatory refractory period, PER;lordosis quotient, LQ. Measures were made at the age of postnatal days 70 to 91, and 97 to 101, respectively.

幼鼠出生后第70-91 d、 97-101 d测试F1代雌鼠的接近时间、爬跨后返回时间、插入后返回时间、射精后不应期、脊柱前凸系数和雄鼠的爬跨频率、爬跨等待时间、插入频率、插入等待时间、射精等待时间、射精后不应期、插入率等性行为。

Offspring were then tested for male sexual behavior: mount frequency, MF; mount latency, ML; intromission frequency, IF; intromission latency, IL; ejaculation latency, EL; post ejaculatory interval, PEI; hit rate and female sexual behavior; approach latency, AL; mount return latency, MRL; intromission return latency, IRL; post ejaculatory refractory period, PER; lordosis quotient, LQ.

幼鼠出生后第70—91d、97—101d测试F1代雌鼠的接近时间、爬跨后返回时间、插入后返回时间、射精后不应期、脊柱前凸系数和雄鼠的爬跨频率、爬跨等待时间、插入频率、插入等待时间、射精等待时间、射精后不应期、插入率等性行为。

Justina Mathews writes about issues that affect couples and today''s woman concerning relationships and sexuality.

justina马修斯写的问题，影响夫妇和today'的女人有关的关系和性行为。

In this man's home, they have taken place in sexual relations that lasted for some time.

在这个男子的家中，他们发生了性行为，这种关系持续了一段时间。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。