propellantKK [prəˋpɛlənt] /pɹəˈpɛlənt/发音名词1推进剂、燃料The rocket carries enough liquid propellant for a two-minute burn.这枚火箭携带的液态推进剂足以燃烧两分钟。2喷射剂、推进气体Modern spray cans use a propellant that does not harm the ozone layer.现代喷雾罐使用的喷射剂不会破坏臭氧层。3发射药、火药军事The shell's propellant ignites the moment the trigger is pulled.扣下扳机的瞬间,砲弹的发射药就会点燃。形容词1推进的、推动的Engineers tested the propellant force of the new engine design.工程师测试了新引擎设计的推进力。用这个字练口说→