copulating

例句:

• The male bird performs a sort of mating dance before copulating with the female.
  这种雄鸟在与雌鸟交尾以前要跳一种交欢舞.
  
• To prototype, the Xunwu has a copulating of turtle and snake.
  原型意义而言, 玄武含有龟蛇交尾与蛇体自环的意义.
  
• Ford's painting is set in a local cemetery, where several pairs of mountain lions are copulating among the gravestones.
  来自NEWYORKER
• This winter, she had a show in New York which featured a roomful of large rag dolls, hanging from the ceiling and copulating.
  来自NEWYORKER
• The bats spent almost twice as long copulating when oral sex was involved than when not.
  来自MSN