The aims of the present study were to examine the effects of coitus on gonadotropin and sex steroid levels in men and women,and to observe whether the hormone level changes if the orgasm occurred during sexual intercourse.
本课题研究性交对促性腺激素与性腺激素水平的影响，并观察激素变化与性高潮的发生有无相关。
The act of uniting sexually.
交配，性交交配的行为，性交的行为
functional dyspareunia
功能性交媾困难 功能性交媾困难
(of a male) able to copulate.
（指男性）有性交能力。
To persuade to have sexual intercourse.
性交说服…发生性关系
To engage in sexual intercourse with.
性交与…产生性关系
An act of sexual intercourse.
性交发生性关系的行为
mutual sexual stimulation prior to sexual intercourse.
性交前的相互性刺激。
Sexual union between a male and a female involving insertion of the penis into the vagina.
性交，交媾雄性阴茎插入雌性阴道的雌雄性间的交合
Sexual practices producing mucosal trauma before or during intercourse increase the risk.
性交前或性交中的粘膜破损会增加危险性。
the quality of being incapable of exchange or interchange.
不能交流或交换的性质。
(of a male) unable to copulate.
（指雄性）不能交配。
sympathetic apraxia
交感性运用不能症 交感性运用不能症
Reproduction by the fusion of gametes of similar ancestry.
近亲交配近亲之间交配的有性繁殖
Research on Traffic Characteristics of Pedestrian at Signalized Intersection;
信号控制交叉口行人交通特性的研究
Research on Mixed Traffic Flow Characteristics at Signal Intersections;
信号控制交叉口混合交通流特性研究
The Intersections and Non-intersections between Tian Bian Shengzi and the Feminism;
田边圣子与女性主义的交集与非交集
A Research on the Dynamic Relationship between Transaction Activity and Transaction Costs;
交易活跃性与交易成本动态关系研究
Alternating Interpretation and the Ostensive-inferential Communication;
交传与明示—推理交际——口译的理性思考