Marines with rifles guarded them...手持步枪的海军陆战队士兵监视着他们。The prisoners were closely guarded.囚犯受到严密监视。The player was guarded closely by her opponent.那名运动员被她的对手紧紧地看住。When they exchanged ideas,their talk was too guarded.在他们交换意见...
A sprayer hooked to a tractor can spray five gallons onto ten acres.用拖拉机牵引的喷雾器可以将5加仑药水喷洒在10英亩田地上。In a fire without a sprayer, the method can be used fumigation.在有火源而无喷雾器时, 可采用熏蒸消毒法.Products wanted: PVC spray hoses, agric...