VOA慢速英语:巴基斯坦在阿富汗边境建隔离墙以减少恐怖袭击

barbed wire – n. wires with very sharp points

paradigm – n. a model for something that may be copied

inch – n. a small amount; a form of measurement

capacity – n. one’s mental or physical ability

complement – n. something that completes or makes perfect

drone – n. an unmanned airplane or ship

stable – adj. firmly established; not changing