[N-MASS 物质名词]推进剂;发射药;火箭燃料Propellant is a substance that causes something to move forwards.
...an enormous amount of propellant.
大量的推进剂
...a propellant for nuclear rockets.
核火箭的燃料
2
[N-MASS 物质名词](喷雾容器中提供压力的)压缩气体Propellant is a gas that is used in spray cans to force the contents out of the can when you press the button.
By 1978, in the USA, the use of CFCs in aerosol propellants was banned.
美国自1978年起禁止在喷雾剂压缩气体中使用含氯氟烃。
Oxford
pro·pel·lant/prəˈpelənt; NAmEprəˈpelənt/noun[countable , uncountable ]1a gas that forces out the contents of an aerosol喷射剂(如喷雾器中的压缩气体)2a thing or substance that propelssth, for example the fuel that fires a rocket推进器,推进剂(如发射火箭用)propellantpropellantspro·pel·lant/prəˈpelənt; NAmEprəˈpelənt/