敌军对该城发起连串炮轰。Enemy forces lobbed a series of artillery shells onto the city.现在让我来将我的论点串起来。Let me now pull together the threads of my argument.布拉格把他主要人物的身世都串在一起。Bragg weaves together the histories of his main characters....
Radium can be used to treat cancer.镭可以用来治疗癌症.Radon is the daughter of radium.氡是镭的子体.Radium can be fixed some distance from its original source.镭在离它的原始母体一定距离上固定下来....