...skilled manual workers...熟练的体力劳动者Having seen the manual, he pick the extinguisher.看完了说明书,他拿起了灭火器。The use of machinery has superseded manual labour.机器的使用已经取代了手工劳动.Manual control or electric control of pressure , time ,...
...the deep ruts left by the trucks' heavy wheels.卡车沉重的轮子留下的很深的车辙The farm carts have worn ruts in the lane.农用大车在乡间小路上磨出了车辙.Our driver slowed up as we approached the ruts in the road.当驶近路上的车辙时,我们的司机放慢了速度。Commissary w...