The gadget is used to artificially inseminate cows.这个器具被用来为母牛实施人工授精。Females, in other words, would rather choose which males inseminate them.换句话说, 雌性更愿意选择那些让它们授精的雄性.It also states prophase work, transporting and insemina...
Again Martin seemed untroubled, yet Celia detected strain beneath the surface.马丁仍然显得无忧无虑, 但西莉亚察觉到了他内心的焦虑.He seemed to be quite untroubled by the news.听到这消息以后,他好象并不担忧.At first, the Supreme Court seemed untroubled by causa...