coitus

1. 性交
   Coitus is sexual intercourse.

1. I just employed the most ancient form of birth control Coitus Interruptus, as the Romans called it.
   我刚才使用最古老的避孕法，那就是古代罗马人所称的性〈！
2. Proestrus lasts approximately nine days; the female, however, will not allow coitus at this time.
   发情前期约持续九天，不过，这段时间，母犬并不与公犬交配。
3. Sheldon: Technically, that would be "coitus interrupts".
   应该是中断性行为。
4. About 20 days and 18 hours after coitus, the goat embryo had 4 pairs of branchial arch and became into C-shaped body. The projecting of the hart and chest was big than the belly and the liver's. The limb bud became into mound-shaped.
   20d、18h山羊胎儿仍属鳃弓期，呈典型C字形，4对鳃弓发生，心胸突大于肝腹突，前肢芽、后肢芽均为丘状。
5. Twenty-four married couples evaluated the Sino-female condom with questionnaires about its acceptability for 234 acts of coitus.
   24对已婚夫妇、234次性生活使用国产女用避孕套（简称阴道套），以询问表的形式进行可接受性评估。
6. There was no severe complications. Only 2 patients had omalgia and one had acute pelvic infection one week after operation through coitus.
   本组无严重并发症，仅发生2例术后肩痛，1例子宫内膜异位症致不孕症患者术后1周性生活而致急性盆腔炎。
7. Follicular development was monitored by vaginal type B utrasound untill ovulation to guide the coitus behavior on proper time.
   术后第1～6个月的月经中期前行阴道B超监测卵泡发育直至排卵，适时指导患者夫妻同房时间。
8. The rabbits were treated by oral administration for 3 days of 4mg/ kg/ day NETO after successful coitus and sacrificed on the 9th day.
   家兔从妊娠第1天始，每天经口给予炔诺酮肟4mg/kg，连续3天，第9天处死。
9. Methods: Mifepristone 10 mg was taken right after coitus, and a pill of placebo was then used with a interval of 12 hours.
   方法：房事后服米非司酮10mg，12小时后服安慰剂一片。

noun

1. the act of sexual procreation between a man and a woman

   Synonym:    sexual intercourseintercoursesex actcopulationcoitionsexual congresscongresssexual relationrelationcarnal knowledge