The feeding of dairy cows has undergone a revolution.乳牛的喂养方法发生了巨大的改变。The mud is a feeding ground for large numbers of birds.大批鸟儿来这块泥地觅食。I knew absolutely nothing about handling or feeding a baby.我对如何抱婴儿、如何给婴儿喂食一无所知。...
Water transportation was outmoded by railroads and good pikes.水上运输已因铁路和良好的税道而变得过时了.A severe snowstorm blocked up railroads.一场暴风雪使铁路中断.Where do the two railroads connect [ link up ]?两条铁路在 何处 连接?...