China's strained railroads already become a bottleneck for the economy.中国紧张的铁路运输已经成为经济增长的瓶颈.A severe snowstorm blocked up railroads.一场暴风雪使铁路中断.Water transportation was outmoded by railroads and good pikes.水上运输已因铁路和良...
Their early training programmes them to be obedient and submissive.他们早期受过的教育把他们训练得俯首帖耳、唯命是从.Circus monkeys are trained to be very docile and obedient.马戏团的猴子训练得服服贴贴的.We're absolutely obedient to the superior.我们绝对服从上级...