例句:美国人通过枪支获得自由。 Amercians obtained their freedom with guns and powders. 或Americans obtained their freedom by using guns and powders. 或Americans obtained their freedom with firearms. 或Americans obtained their freedom by using firearms. 或Americans obtained their freedom through the use of guns and powders. 或Americans obtained their freedom through the use of firearms. guns and powders是词组,译为“枪支弹药”。