propellantKK [prəˋpɛlənt] /pɹəˈpɛlənt/發音名詞1推進劑、燃料The rocket carries enough liquid propellant for a two-minute burn.這枚火箭攜帶的液態推進劑足以燃燒兩分鐘。2噴射劑、推進氣體Modern spray cans use a propellant that does not harm the ozone layer.現代噴霧罐使用的噴射劑不會破壞臭氧層。3發射藥、火藥軍事The shell's propellant ignites the moment the trigger is pulled.扣下扳機的瞬間,砲彈的發射藥就會點燃。形容詞1推進的、推動的Engineers tested the propellant force of the new engine design.工程師測試了新引擎設計的推進力。