It's a constant struggle to try to keep them up to par.要让他们达标，需要不断努力。All the doors have been bricked up to deter vandals.所有的门都用砖堵了起来，防止破坏分子闯入。Across the river the railway track ran up to the pithead.铁轨跨过这条河直达矿井口。...
Dockers started unloading the ship.码头工人开始卸船.The dockers are loading the ship with coal.码头工人正把煤装上船.The dockers discharged the cargo from the ship.码头工人从船上卸货....
这支武装部队已发动进攻要夺回失去的阵地。The armed forces have launched offensives to recapture lost ground.敌人现在一定在挖掩体，准备迎接进攻。The enemy must be digging themselves in now ready for the attack.步兵团可能会使用打了就跑的战术来阻滞进攻部队。The infantry would use hit ...